840156830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{120539}}^1$

素因数の和:120604

約数の個数: 32

約数和(自身を含む): 1640308320

約数和(自身を除く): 800151490

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 120539, 241078, 602695, 1205390, 2049163, 4098326, 4942099, 9884198, 10245815, 20491630, 24710495, 49420990, 84015683, 168031366, 420078415, 840156830]

約数ペア:

[(1, 840156830), (2, 420078415), (5, 168031366), (10, 84015683), (17, 49420990), (34, 24710495), (41, 20491630), (82, 10245815), (85, 9884198), (170, 4942099), (205, 4098326), (410, 2049163), (697, 1205390), (1394, 602695), (3485, 241078), (6970, 120539)]