2859740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 6858432

約数和(自身を除く): 3998692

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 647, 884, 1105, 1294, 2210, 2588, 3235, 4420, 6470, 8411, 10999, 12940, 16822, 21998, 33644, 42055, 43996, 54995, 84110, 109990, 142987, 168220, 219980, 285974, 571948, 714935, 1429870, 2859740]

約数ペア:

[(1, 2859740), (2, 1429870), (4, 714935), (5, 571948), (10, 285974), (13, 219980), (17, 168220), (20, 142987), (26, 109990), (34, 84110), (52, 54995), (65, 43996), (68, 42055), (85, 33644), (130, 21998), (170, 16822), (221, 12940), (260, 10999), (340, 8411), (442, 6470), (647, 4420), (884, 3235), (1105, 2588), (1294, 2210)]