68985400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31357}}^1$

素因数の和:31384

約数の個数: 48

約数和(自身を含む): 174977640

約数和(自身を除く): 105992240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 31357, 62714, 125428, 156785, 250856, 313570, 344927, 627140, 689854, 783925, 1254280, 1379708, 1567850, 1724635, 2759416, 3135700, 3449270, 6271400, 6898540, 8623175, 13797080, 17246350, 34492700, 68985400]

約数ペア:

[(1, 68985400), (2, 34492700), (4, 17246350), (5, 13797080), (8, 8623175), (10, 6898540), (11, 6271400), (20, 3449270), (22, 3135700), (25, 2759416), (40, 1724635), (44, 1567850), (50, 1379708), (55, 1254280), (88, 783925), (100, 689854), (110, 627140), (200, 344927), (220, 313570), (275, 250856), (440, 156785), (550, 125428), (1100, 62714), (2200, 31357)]