305989375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 418366080

約数和(自身を除く): 112376705

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 425, 527, 625, 775, 929, 2125, 2635, 3875, 4645, 10625, 13175, 15793, 19375, 23225, 28799, 65875, 78965, 116125, 143995, 329375, 394825, 489583, 580625, 719975, 1974125, 2447915, 3599875, 9870625, 12239575, 17999375, 61197875, 305989375]

約数ペア:

[(1, 305989375), (5, 61197875), (17, 17999375), (25, 12239575), (31, 9870625), (85, 3599875), (125, 2447915), (155, 1974125), (425, 719975), (527, 580625), (625, 489583), (775, 394825), (929, 329375), (2125, 143995), (2635, 116125), (3875, 78965), (4645, 65875), (10625, 28799), (13175, 23225), (15793, 19375)]