683969180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{1289}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 1473262560

約数和(自身を除く): 789293380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 617, 860, 1234, 1289, 2468, 2578, 3085, 5156, 6170, 6445, 12340, 12890, 25780, 26531, 53062, 55427, 106124, 110854, 132655, 221708, 265310, 277135, 530620, 554270, 795313, 1108540, 1590626, 3181252, 3976565, 7953130, 15906260, 34198459, 68396918, 136793836, 170992295, 341984590, 683969180]

約数ペア:

[(1, 683969180), (2, 341984590), (4, 170992295), (5, 136793836), (10, 68396918), (20, 34198459), (43, 15906260), (86, 7953130), (172, 3976565), (215, 3181252), (430, 1590626), (617, 1108540), (860, 795313), (1234, 554270), (1289, 530620), (2468, 277135), (2578, 265310), (3085, 221708), (5156, 132655), (6170, 110854), (6445, 106124), (12340, 55427), (12890, 53062), (25780, 26531)]