889175020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{3253}}^1$

素因数の和:3514

約数の個数: 48

約数和(自身を含む): 1902418560

約数和(自身を除く): 1013243540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 173, 316, 346, 395, 692, 790, 865, 1580, 1730, 3253, 3460, 6506, 13012, 13667, 16265, 27334, 32530, 54668, 65060, 68335, 136670, 256987, 273340, 513974, 562769, 1027948, 1125538, 1284935, 2251076, 2569870, 2813845, 5139740, 5627690, 11255380, 44458751, 88917502, 177835004, 222293755, 444587510, 889175020]

約数ペア:

[(1, 889175020), (2, 444587510), (4, 222293755), (5, 177835004), (10, 88917502), (20, 44458751), (79, 11255380), (158, 5627690), (173, 5139740), (316, 2813845), (346, 2569870), (395, 2251076), (692, 1284935), (790, 1125538), (865, 1027948), (1580, 562769), (1730, 513974), (3253, 273340), (3460, 256987), (6506, 136670), (13012, 68335), (13667, 65060), (16265, 54668), (27334, 32530)]