1355420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 3187296

約数和(自身を除く): 1831876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 101, 110, 122, 202, 220, 244, 305, 404, 505, 610, 671, 1010, 1111, 1220, 1342, 2020, 2222, 2684, 3355, 4444, 5555, 6161, 6710, 11110, 12322, 13420, 22220, 24644, 30805, 61610, 67771, 123220, 135542, 271084, 338855, 677710, 1355420]

約数ペア:

[(1, 1355420), (2, 677710), (4, 338855), (5, 271084), (10, 135542), (11, 123220), (20, 67771), (22, 61610), (44, 30805), (55, 24644), (61, 22220), (101, 13420), (110, 12322), (122, 11110), (202, 6710), (220, 6161), (244, 5555), (305, 4444), (404, 3355), (505, 2684), (610, 2222), (671, 2020), (1010, 1342), (1111, 1220)]