42206360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 109105920

約数和(自身を除く): 66899560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 491, 614, 982, 1228, 1535, 1964, 2149, 2455, 2456, 3070, 3437, 3928, 4298, 4910, 6140, 6874, 8596, 9820, 10745, 12280, 13748, 17185, 17192, 19640, 21490, 27496, 34370, 42980, 68740, 85960, 137480, 150737, 301474, 602948, 753685, 1055159, 1205896, 1507370, 2110318, 3014740, 4220636, 5275795, 6029480, 8441272, 10551590, 21103180, 42206360]

約数ペア:

[(1, 42206360), (2, 21103180), (4, 10551590), (5, 8441272), (7, 6029480), (8, 5275795), (10, 4220636), (14, 3014740), (20, 2110318), (28, 1507370), (35, 1205896), (40, 1055159), (56, 753685), (70, 602948), (140, 301474), (280, 150737), (307, 137480), (491, 85960), (614, 68740), (982, 42980), (1228, 34370), (1535, 27496), (1964, 21490), (2149, 19640), (2455, 17192), (2456, 17185), (3070, 13748), (3437, 12280), (3928, 10745), (4298, 9820), (4910, 8596), (6140, 6874)]