2489700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 7409248

約数和(自身を除く): 4919548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 193, 215, 258, 300, 386, 430, 516, 579, 645, 772, 860, 965, 1075, 1158, 1290, 1930, 2150, 2316, 2580, 2895, 3225, 3860, 4300, 4825, 5790, 6450, 8299, 9650, 11580, 12900, 14475, 16598, 19300, 24897, 28950, 33196, 41495, 49794, 57900, 82990, 99588, 124485, 165980, 207475, 248970, 414950, 497940, 622425, 829900, 1244850, 2489700]

約数ペア:

[(1, 2489700), (2, 1244850), (3, 829900), (4, 622425), (5, 497940), (6, 414950), (10, 248970), (12, 207475), (15, 165980), (20, 124485), (25, 99588), (30, 82990), (43, 57900), (50, 49794), (60, 41495), (75, 33196), (86, 28950), (100, 24897), (129, 19300), (150, 16598), (172, 14475), (193, 12900), (215, 11580), (258, 9650), (300, 8299), (386, 6450), (430, 5790), (516, 4825), (579, 4300), (645, 3860), (772, 3225), (860, 2895), (965, 2580), (1075, 2316), (1158, 2150), (1290, 1930)]