905080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 64

約数和(自身を含む): 2371680

約数和(自身を除く): 1466600

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 605, 680, 748, 935, 968, 1210, 1331, 1496, 1870, 2057, 2420, 2662, 3740, 4114, 4840, 5324, 6655, 7480, 8228, 10285, 10648, 13310, 16456, 20570, 22627, 26620, 41140, 45254, 53240, 82280, 90508, 113135, 181016, 226270, 452540, 905080]

約数ペア:

[(1, 905080), (2, 452540), (4, 226270), (5, 181016), (8, 113135), (10, 90508), (11, 82280), (17, 53240), (20, 45254), (22, 41140), (34, 26620), (40, 22627), (44, 20570), (55, 16456), (68, 13310), (85, 10648), (88, 10285), (110, 8228), (121, 7480), (136, 6655), (170, 5324), (187, 4840), (220, 4114), (242, 3740), (340, 2662), (374, 2420), (440, 2057), (484, 1870), (605, 1496), (680, 1331), (748, 1210), (935, 968)]