20120250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 50843520

約数和(自身を除く): 30723270

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 139, 150, 193, 250, 278, 375, 386, 417, 579, 695, 750, 834, 965, 1158, 1390, 1930, 2085, 2895, 3475, 4170, 4825, 5790, 6950, 9650, 10425, 14475, 17375, 20850, 24125, 26827, 28950, 34750, 48250, 52125, 53654, 72375, 80481, 104250, 134135, 144750, 160962, 268270, 402405, 670675, 804810, 1341350, 2012025, 3353375, 4024050, 6706750, 10060125, 20120250]

約数ペア:

[(1, 20120250), (2, 10060125), (3, 6706750), (5, 4024050), (6, 3353375), (10, 2012025), (15, 1341350), (25, 804810), (30, 670675), (50, 402405), (75, 268270), (125, 160962), (139, 144750), (150, 134135), (193, 104250), (250, 80481), (278, 72375), (375, 53654), (386, 52125), (417, 48250), (579, 34750), (695, 28950), (750, 26827), (834, 24125), (965, 20850), (1158, 17375), (1390, 14475), (1930, 10425), (2085, 9650), (2895, 6950), (3475, 5790), (4170, 4825)]