7144940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 16740864

約数和(自身を除く): 9595924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 691, 940, 1034, 1382, 2068, 2585, 2764, 3455, 5170, 6910, 7601, 10340, 13820, 15202, 30404, 32477, 38005, 64954, 76010, 129908, 152020, 162385, 324770, 357247, 649540, 714494, 1428988, 1786235, 3572470, 7144940]

約数ペア:

[(1, 7144940), (2, 3572470), (4, 1786235), (5, 1428988), (10, 714494), (11, 649540), (20, 357247), (22, 324770), (44, 162385), (47, 152020), (55, 129908), (94, 76010), (110, 64954), (188, 38005), (220, 32477), (235, 30404), (470, 15202), (517, 13820), (691, 10340), (940, 7601), (1034, 6910), (1382, 5170), (2068, 3455), (2585, 2764)]