420155400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:525

約数の個数: 288

約数和(自身を含む): 1567399680

約数和(自身を除く): 1147244280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 49, 50, 56, 60, 62, 70, 75, 84, 93, 98, 100, 105, 120, 124, 140, 147, 150, 155, 168, 175, 186, 196, 200, 210, 217, 245, 248, 280, 294, 300, 310, 350, 372, 392, 420, 434, 461, 465, 490, 525, 588, 600, 620, 651, 700, 735, 744, 775, 840, 868, 922, 930, 980, 1050, 1085, 1176, 1225, 1240, 1302, 1383, 1400, 1470, 1519, 1550, 1736, 1844, 1860, 1960, 2100, 2170, 2305, 2325, 2450, 2604, 2766, 2940, 3038, 3100, 3227, 3255, 3675, 3688, 3720, 4200, 4340, 4557, 4610, 4650, 4900, 5208, 5425, 5532, 5880, 6076, 6200, 6454, 6510, 6915, 7350, 7595, 8680, 9114, 9220, 9300, 9681, 9800, 10850, 11064, 11525, 12152, 12908, 13020, 13830, 14291, 14700, 15190, 16135, 16275, 18228, 18440, 18600, 19362, 21700, 22589, 22785, 23050, 25816, 26040, 27660, 28582, 29400, 30380, 32270, 32550, 34575, 36456, 37975, 38724, 42873, 43400, 45178, 45570, 46100, 48405, 55320, 57164, 60760, 64540, 65100, 67767, 69150, 71455, 75950, 77448, 80675, 85746, 90356, 91140, 92200, 96810, 100037, 112945, 113925, 114328, 129080, 130200, 135534, 138300, 142910, 151900, 161350, 171492, 180712, 182280, 193620, 200074, 214365, 225890, 227850, 242025, 271068, 276600, 285820, 300111, 303800, 322700, 338835, 342984, 357275, 387240, 400148, 428730, 451780, 455700, 484050, 500185, 542136, 564725, 571640, 600222, 645400, 677670, 700259, 714550, 800296, 857460, 903560, 911400, 968100, 1000370, 1071825, 1129450, 1200444, 1355340, 1400518, 1429100, 1500555, 1694175, 1714920, 1936200, 2000740, 2100777, 2143650, 2258900, 2400888, 2500925, 2710680, 2801036, 2858200, 3001110, 3388350, 3501295, 4001480, 4201554, 4287300, 4517800, 5001850, 5602072, 6002220, 6776700, 7002590, 7502775, 8403108, 8574600, 10003700, 10503885, 12004440, 13553400, 14005180, 15005550, 16806216, 17506475, 20007400, 21007770, 28010360, 30011100, 35012950, 42015540, 52519425, 60022200, 70025900, 84031080, 105038850, 140051800, 210077700, 420155400]

約数ペア:

[(1, 420155400), (2, 210077700), (3, 140051800), (4, 105038850), (5, 84031080), (6, 70025900), (7, 60022200), (8, 52519425), (10, 42015540), (12, 35012950), (14, 30011100), (15, 28010360), (20, 21007770), (21, 20007400), (24, 17506475), (25, 16806216), (28, 15005550), (30, 14005180), (31, 13553400), (35, 12004440), (40, 10503885), (42, 10003700), (49, 8574600), (50, 8403108), (56, 7502775), (60, 7002590), (62, 6776700), (70, 6002220), (75, 5602072), (84, 5001850), (93, 4517800), (98, 4287300), (100, 4201554), (105, 4001480), (120, 3501295), (124, 3388350), (140, 3001110), (147, 2858200), (150, 2801036), (155, 2710680), (168, 2500925), (175, 2400888), (186, 2258900), (196, 2143650), (200, 2100777), (210, 2000740), (217, 1936200), (245, 1714920), (248, 1694175), (280, 1500555), (294, 1429100), (300, 1400518), (310, 1355340), (350, 1200444), (372, 1129450), (392, 1071825), (420, 1000370), (434, 968100), (461, 911400), (465, 903560), (490, 857460), (525, 800296), (588, 714550), (600, 700259), (620, 677670), (651, 645400), (700, 600222), (735, 571640), (744, 564725), (775, 542136), (840, 500185), (868, 484050), (922, 455700), (930, 451780), (980, 428730), (1050, 400148), (1085, 387240), (1176, 357275), (1225, 342984), (1240, 338835), (1302, 322700), (1383, 303800), (1400, 300111), (1470, 285820), (1519, 276600), (1550, 271068), (1736, 242025), (1844, 227850), (1860, 225890), (1960, 214365), (2100, 200074), (2170, 193620), (2305, 182280), (2325, 180712), (2450, 171492), (2604, 161350), (2766, 151900), (2940, 142910), (3038, 138300), (3100, 135534), (3227, 130200), (3255, 129080), (3675, 114328), (3688, 113925), (3720, 112945), (4200, 100037), (4340, 96810), (4557, 92200), (4610, 91140), (4650, 90356), (4900, 85746), (5208, 80675), (5425, 77448), (5532, 75950), (5880, 71455), (6076, 69150), (6200, 67767), (6454, 65100), (6510, 64540), (6915, 60760), (7350, 57164), (7595, 55320), (8680, 48405), (9114, 46100), (9220, 45570), (9300, 45178), (9681, 43400), (9800, 42873), (10850, 38724), (11064, 37975), (11525, 36456), (12152, 34575), (12908, 32550), (13020, 32270), (13830, 30380), (14291, 29400), (14700, 28582), (15190, 27660), (16135, 26040), (16275, 25816), (18228, 23050), (18440, 22785), (18600, 22589), (19362, 21700)]