2104940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 4826304

約数和(自身を除く): 2721364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 151, 164, 170, 205, 302, 340, 410, 604, 697, 755, 820, 1394, 1510, 2567, 2788, 3020, 3485, 5134, 6191, 6970, 10268, 12382, 12835, 13940, 24764, 25670, 30955, 51340, 61910, 105247, 123820, 210494, 420988, 526235, 1052470, 2104940]

約数ペア:

[(1, 2104940), (2, 1052470), (4, 526235), (5, 420988), (10, 210494), (17, 123820), (20, 105247), (34, 61910), (41, 51340), (68, 30955), (82, 25670), (85, 24764), (151, 13940), (164, 12835), (170, 12382), (205, 10268), (302, 6970), (340, 6191), (410, 5134), (604, 3485), (697, 3020), (755, 2788), (820, 2567), (1394, 1510)]