61848100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 140990976

約数和(自身を除く): 79142876

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 281, 284, 310, 355, 562, 620, 710, 775, 1124, 1405, 1420, 1550, 1775, 2201, 2810, 3100, 3550, 4402, 5620, 7025, 7100, 8711, 8804, 11005, 14050, 17422, 19951, 22010, 28100, 34844, 39902, 43555, 44020, 55025, 79804, 87110, 99755, 110050, 174220, 199510, 217775, 220100, 399020, 435550, 498775, 618481, 871100, 997550, 1236962, 1995100, 2473924, 3092405, 6184810, 12369620, 15462025, 30924050, 61848100]

約数ペア:

[(1, 61848100), (2, 30924050), (4, 15462025), (5, 12369620), (10, 6184810), (20, 3092405), (25, 2473924), (31, 1995100), (50, 1236962), (62, 997550), (71, 871100), (100, 618481), (124, 498775), (142, 435550), (155, 399020), (281, 220100), (284, 217775), (310, 199510), (355, 174220), (562, 110050), (620, 99755), (710, 87110), (775, 79804), (1124, 55025), (1405, 44020), (1420, 43555), (1550, 39902), (1775, 34844), (2201, 28100), (2810, 22010), (3100, 19951), (3550, 17422), (4402, 14050), (5620, 11005), (7025, 8804), (7100, 8711)]