4244020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 9870336

約数和(自身を除く): 5626316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 191, 202, 220, 382, 404, 505, 764, 955, 1010, 1111, 1910, 2020, 2101, 2222, 3820, 4202, 4444, 5555, 8404, 10505, 11110, 19291, 21010, 22220, 38582, 42020, 77164, 96455, 192910, 212201, 385820, 424402, 848804, 1061005, 2122010, 4244020]

約数ペア:

[(1, 4244020), (2, 2122010), (4, 1061005), (5, 848804), (10, 424402), (11, 385820), (20, 212201), (22, 192910), (44, 96455), (55, 77164), (101, 42020), (110, 38582), (191, 22220), (202, 21010), (220, 19291), (382, 11110), (404, 10505), (505, 8404), (764, 5555), (955, 4444), (1010, 4202), (1111, 3820), (1910, 2222), (2020, 2101)]