164001800

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 396403200

約数和(自身を除く): 232401400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 73, 94, 100, 146, 188, 200, 235, 239, 292, 365, 376, 470, 478, 584, 730, 940, 956, 1175, 1195, 1460, 1825, 1880, 1912, 2350, 2390, 2920, 3431, 3650, 4700, 4780, 5975, 6862, 7300, 9400, 9560, 11233, 11950, 13724, 14600, 17155, 17447, 22466, 23900, 27448, 34310, 34894, 44932, 47800, 56165, 68620, 69788, 85775, 87235, 89864, 112330, 137240, 139576, 171550, 174470, 224660, 280825, 343100, 348940, 436175, 449320, 561650, 686200, 697880, 820009, 872350, 1123300, 1640018, 1744700, 2246600, 3280036, 3489400, 4100045, 6560072, 8200090, 16400180, 20500225, 32800360, 41000450, 82000900, 164001800]

約数ペア:

[(1, 164001800), (2, 82000900), (4, 41000450), (5, 32800360), (8, 20500225), (10, 16400180), (20, 8200090), (25, 6560072), (40, 4100045), (47, 3489400), (50, 3280036), (73, 2246600), (94, 1744700), (100, 1640018), (146, 1123300), (188, 872350), (200, 820009), (235, 697880), (239, 686200), (292, 561650), (365, 449320), (376, 436175), (470, 348940), (478, 343100), (584, 280825), (730, 224660), (940, 174470), (956, 171550), (1175, 139576), (1195, 137240), (1460, 112330), (1825, 89864), (1880, 87235), (1912, 85775), (2350, 69788), (2390, 68620), (2920, 56165), (3431, 47800), (3650, 44932), (4700, 34894), (4780, 34310), (5975, 27448), (6862, 23900), (7300, 22466), (9400, 17447), (9560, 17155), (11233, 14600), (11950, 13724)]