28465570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 61459200

約数和(自身を除く): 32993630

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 193, 215, 245, 301, 343, 386, 430, 490, 602, 686, 965, 1351, 1505, 1715, 1930, 2107, 2702, 3010, 3430, 4214, 6755, 8299, 9457, 10535, 13510, 14749, 16598, 18914, 21070, 29498, 41495, 47285, 58093, 66199, 73745, 82990, 94570, 116186, 132398, 147490, 290465, 330995, 406651, 580930, 661990, 813302, 2033255, 2846557, 4066510, 5693114, 14232785, 28465570]

約数ペア:

[(1, 28465570), (2, 14232785), (5, 5693114), (7, 4066510), (10, 2846557), (14, 2033255), (35, 813302), (43, 661990), (49, 580930), (70, 406651), (86, 330995), (98, 290465), (193, 147490), (215, 132398), (245, 116186), (301, 94570), (343, 82990), (386, 73745), (430, 66199), (490, 58093), (602, 47285), (686, 41495), (965, 29498), (1351, 21070), (1505, 18914), (1715, 16598), (1930, 14749), (2107, 13510), (2702, 10535), (3010, 9457), (3430, 8299), (4214, 6755)]