420372400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 240

約数和(自身を含む): 1239920640

約数和(自身を除く): 819548240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 31, 35, 40, 50, 56, 58, 62, 70, 80, 100, 112, 116, 124, 140, 145, 155, 167, 175, 200, 203, 217, 232, 248, 280, 290, 310, 334, 350, 400, 406, 434, 464, 496, 560, 580, 620, 668, 700, 725, 775, 812, 835, 868, 899, 1015, 1085, 1160, 1169, 1240, 1336, 1400, 1450, 1550, 1624, 1670, 1736, 1798, 2030, 2170, 2320, 2338, 2480, 2672, 2800, 2900, 3100, 3248, 3340, 3472, 3596, 4060, 4175, 4340, 4495, 4676, 4843, 5075, 5177, 5425, 5800, 5845, 6200, 6293, 6680, 7192, 8120, 8350, 8680, 8990, 9352, 9686, 10150, 10354, 10850, 11600, 11690, 12400, 12586, 13360, 14384, 16240, 16700, 17360, 17980, 18704, 19372, 20300, 20708, 21700, 22475, 23380, 24215, 25172, 25885, 29225, 31465, 33400, 33901, 35960, 36239, 38744, 40600, 41416, 43400, 44950, 46760, 48430, 50344, 51770, 58450, 62930, 66800, 67802, 71920, 72478, 77488, 81200, 82832, 86800, 89900, 93520, 96860, 100688, 103540, 116900, 121075, 125860, 129425, 135604, 144956, 150133, 157325, 169505, 179800, 181195, 193720, 207080, 233800, 242150, 251720, 258850, 271208, 289912, 300266, 314650, 339010, 359600, 362390, 387440, 414160, 467600, 484300, 503440, 517700, 542416, 579824, 600532, 629300, 678020, 724780, 750665, 847525, 905975, 968600, 1035400, 1050931, 1201064, 1258600, 1356040, 1449560, 1501330, 1695050, 1811950, 1937200, 2070800, 2101862, 2402128, 2517200, 2712080, 2899120, 3002660, 3390100, 3623900, 3753325, 4203724, 5254655, 6005320, 6780200, 7247800, 7506650, 8407448, 10509310, 12010640, 13560400, 14495600, 15013300, 16814896, 21018620, 26273275, 30026600, 42037240, 52546550, 60053200, 84074480, 105093100, 210186200, 420372400]

約数ペア:

[(1, 420372400), (2, 210186200), (4, 105093100), (5, 84074480), (7, 60053200), (8, 52546550), (10, 42037240), (14, 30026600), (16, 26273275), (20, 21018620), (25, 16814896), (28, 15013300), (29, 14495600), (31, 13560400), (35, 12010640), (40, 10509310), (50, 8407448), (56, 7506650), (58, 7247800), (62, 6780200), (70, 6005320), (80, 5254655), (100, 4203724), (112, 3753325), (116, 3623900), (124, 3390100), (140, 3002660), (145, 2899120), (155, 2712080), (167, 2517200), (175, 2402128), (200, 2101862), (203, 2070800), (217, 1937200), (232, 1811950), (248, 1695050), (280, 1501330), (290, 1449560), (310, 1356040), (334, 1258600), (350, 1201064), (400, 1050931), (406, 1035400), (434, 968600), (464, 905975), (496, 847525), (560, 750665), (580, 724780), (620, 678020), (668, 629300), (700, 600532), (725, 579824), (775, 542416), (812, 517700), (835, 503440), (868, 484300), (899, 467600), (1015, 414160), (1085, 387440), (1160, 362390), (1169, 359600), (1240, 339010), (1336, 314650), (1400, 300266), (1450, 289912), (1550, 271208), (1624, 258850), (1670, 251720), (1736, 242150), (1798, 233800), (2030, 207080), (2170, 193720), (2320, 181195), (2338, 179800), (2480, 169505), (2672, 157325), (2800, 150133), (2900, 144956), (3100, 135604), (3248, 129425), (3340, 125860), (3472, 121075), (3596, 116900), (4060, 103540), (4175, 100688), (4340, 96860), (4495, 93520), (4676, 89900), (4843, 86800), (5075, 82832), (5177, 81200), (5425, 77488), (5800, 72478), (5845, 71920), (6200, 67802), (6293, 66800), (6680, 62930), (7192, 58450), (8120, 51770), (8350, 50344), (8680, 48430), (8990, 46760), (9352, 44950), (9686, 43400), (10150, 41416), (10354, 40600), (10850, 38744), (11600, 36239), (11690, 35960), (12400, 33901), (12586, 33400), (13360, 31465), (14384, 29225), (16240, 25885), (16700, 25172), (17360, 24215), (17980, 23380), (18704, 22475), (19372, 21700), (20300, 20708)]