205287580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19477}}^1$

素因数の和:19534

約数の個数: 48

約数和(自身を含む): 471211776

約数和(自身を除く): 265924196

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 19477, 38954, 77908, 97385, 194770, 331109, 389540, 603787, 662218, 1207574, 1324436, 1655545, 2415148, 3018935, 3311090, 6037870, 6622180, 10264379, 12075740, 20528758, 41057516, 51321895, 102643790, 205287580]

約数ペア:

[(1, 205287580), (2, 102643790), (4, 51321895), (5, 41057516), (10, 20528758), (17, 12075740), (20, 10264379), (31, 6622180), (34, 6037870), (62, 3311090), (68, 3018935), (85, 2415148), (124, 1655545), (155, 1324436), (170, 1207574), (310, 662218), (340, 603787), (527, 389540), (620, 331109), (1054, 194770), (2108, 97385), (2635, 77908), (5270, 38954), (10540, 19477)]