408038620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1637}}^1$

素因数の和:1771

約数の個数: 72

約数和(自身を含む): 951586272

約数和(自身を除く): 543547652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 121, 206, 220, 242, 412, 484, 515, 605, 1030, 1133, 1210, 1637, 2060, 2266, 2420, 3274, 4532, 5665, 6548, 8185, 11330, 12463, 16370, 18007, 22660, 24926, 32740, 36014, 49852, 62315, 72028, 90035, 124630, 168611, 180070, 198077, 249260, 337222, 360140, 396154, 674444, 792308, 843055, 990385, 1686110, 1854721, 1980770, 3372220, 3709442, 3961540, 7418884, 9273605, 18547210, 20401931, 37094420, 40803862, 81607724, 102009655, 204019310, 408038620]

約数ペア:

[(1, 408038620), (2, 204019310), (4, 102009655), (5, 81607724), (10, 40803862), (11, 37094420), (20, 20401931), (22, 18547210), (44, 9273605), (55, 7418884), (103, 3961540), (110, 3709442), (121, 3372220), (206, 1980770), (220, 1854721), (242, 1686110), (412, 990385), (484, 843055), (515, 792308), (605, 674444), (1030, 396154), (1133, 360140), (1210, 337222), (1637, 249260), (2060, 198077), (2266, 180070), (2420, 168611), (3274, 124630), (4532, 90035), (5665, 72028), (6548, 62315), (8185, 49852), (11330, 36014), (12463, 32740), (16370, 24926), (18007, 22660)]