825220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 1967616

約数和(自身を除く): 1142396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1331, 1364, 1705, 2420, 2662, 3410, 3751, 5324, 6655, 6820, 7502, 13310, 15004, 18755, 26620, 37510, 41261, 75020, 82522, 165044, 206305, 412610, 825220]

約数ペア:

[(1, 825220), (2, 412610), (4, 206305), (5, 165044), (10, 82522), (11, 75020), (20, 41261), (22, 37510), (31, 26620), (44, 18755), (55, 15004), (62, 13310), (110, 7502), (121, 6820), (124, 6655), (155, 5324), (220, 3751), (242, 3410), (310, 2662), (341, 2420), (484, 1705), (605, 1364), (620, 1331), (682, 1210)]