1678820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 4148928

約数和(自身を除く): 2470108

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 587, 715, 1174, 1430, 2348, 2860, 2935, 5870, 6457, 7631, 11740, 12914, 15262, 25828, 30524, 32285, 38155, 64570, 76310, 83941, 129140, 152620, 167882, 335764, 419705, 839410, 1678820]

約数ペア:

[(1, 1678820), (2, 839410), (4, 419705), (5, 335764), (10, 167882), (11, 152620), (13, 129140), (20, 83941), (22, 76310), (26, 64570), (44, 38155), (52, 32285), (55, 30524), (65, 25828), (110, 15262), (130, 12914), (143, 11740), (220, 7631), (260, 6457), (286, 5870), (572, 2935), (587, 2860), (715, 2348), (1174, 1430)]