190028420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1429}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 409609200

約数和(自身を除く): 219580780

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 436, 545, 610, 1090, 1220, 1429, 2180, 2858, 5716, 6649, 7145, 13298, 14290, 26596, 28580, 33245, 66490, 87169, 132980, 155761, 174338, 311522, 348676, 435845, 623044, 778805, 871690, 1557610, 1743380, 3115220, 9501421, 19002842, 38005684, 47507105, 95014210, 190028420]

約数ペア:

[(1, 190028420), (2, 95014210), (4, 47507105), (5, 38005684), (10, 19002842), (20, 9501421), (61, 3115220), (109, 1743380), (122, 1557610), (218, 871690), (244, 778805), (305, 623044), (436, 435845), (545, 348676), (610, 311522), (1090, 174338), (1220, 155761), (1429, 132980), (2180, 87169), (2858, 66490), (5716, 33245), (6649, 28580), (7145, 26596), (13298, 14290)]