280103600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:524

約数の個数: 180

約数和(自身を含む): 809823168

約数和(自身を除く): 529719568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 400, 434, 461, 490, 496, 560, 620, 700, 775, 784, 868, 922, 980, 1085, 1225, 1240, 1400, 1519, 1550, 1736, 1844, 1960, 2170, 2305, 2450, 2480, 2800, 3038, 3100, 3227, 3472, 3688, 3920, 4340, 4610, 4900, 5425, 6076, 6200, 6454, 7376, 7595, 8680, 9220, 9800, 10850, 11525, 12152, 12400, 12908, 14291, 15190, 16135, 17360, 18440, 19600, 21700, 22589, 23050, 24304, 25816, 28582, 30380, 32270, 36880, 37975, 43400, 45178, 46100, 51632, 57164, 60760, 64540, 71455, 75950, 80675, 86800, 90356, 92200, 100037, 112945, 114328, 121520, 129080, 142910, 151900, 161350, 180712, 184400, 200074, 225890, 228656, 258160, 285820, 303800, 322700, 357275, 361424, 400148, 451780, 500185, 564725, 571640, 607600, 645400, 700259, 714550, 800296, 903560, 1000370, 1129450, 1143280, 1290800, 1400518, 1429100, 1600592, 1807120, 2000740, 2258900, 2500925, 2801036, 2858200, 3501295, 4001480, 4517800, 5001850, 5602072, 5716400, 7002590, 8002960, 9035600, 10003700, 11204144, 14005180, 17506475, 20007400, 28010360, 35012950, 40014800, 56020720, 70025900, 140051800, 280103600]

約数ペア:

[(1, 280103600), (2, 140051800), (4, 70025900), (5, 56020720), (7, 40014800), (8, 35012950), (10, 28010360), (14, 20007400), (16, 17506475), (20, 14005180), (25, 11204144), (28, 10003700), (31, 9035600), (35, 8002960), (40, 7002590), (49, 5716400), (50, 5602072), (56, 5001850), (62, 4517800), (70, 4001480), (80, 3501295), (98, 2858200), (100, 2801036), (112, 2500925), (124, 2258900), (140, 2000740), (155, 1807120), (175, 1600592), (196, 1429100), (200, 1400518), (217, 1290800), (245, 1143280), (248, 1129450), (280, 1000370), (310, 903560), (350, 800296), (392, 714550), (400, 700259), (434, 645400), (461, 607600), (490, 571640), (496, 564725), (560, 500185), (620, 451780), (700, 400148), (775, 361424), (784, 357275), (868, 322700), (922, 303800), (980, 285820), (1085, 258160), (1225, 228656), (1240, 225890), (1400, 200074), (1519, 184400), (1550, 180712), (1736, 161350), (1844, 151900), (1960, 142910), (2170, 129080), (2305, 121520), (2450, 114328), (2480, 112945), (2800, 100037), (3038, 92200), (3100, 90356), (3227, 86800), (3472, 80675), (3688, 75950), (3920, 71455), (4340, 64540), (4610, 60760), (4900, 57164), (5425, 51632), (6076, 46100), (6200, 45178), (6454, 43400), (7376, 37975), (7595, 36880), (8680, 32270), (9220, 30380), (9800, 28582), (10850, 25816), (11525, 24304), (12152, 23050), (12400, 22589), (12908, 21700), (14291, 19600), (15190, 18440), (16135, 17360)]