15420700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 36372672

約数和(自身を除く): 20951972

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 193, 235, 340, 386, 425, 470, 772, 799, 850, 940, 965, 1175, 1598, 1700, 1930, 2350, 3196, 3281, 3860, 3995, 4700, 4825, 6562, 7990, 9071, 9650, 13124, 15980, 16405, 18142, 19300, 19975, 32810, 36284, 39950, 45355, 65620, 79900, 82025, 90710, 154207, 164050, 181420, 226775, 308414, 328100, 453550, 616828, 771035, 907100, 1542070, 3084140, 3855175, 7710350, 15420700]

約数ペア:

[(1, 15420700), (2, 7710350), (4, 3855175), (5, 3084140), (10, 1542070), (17, 907100), (20, 771035), (25, 616828), (34, 453550), (47, 328100), (50, 308414), (68, 226775), (85, 181420), (94, 164050), (100, 154207), (170, 90710), (188, 82025), (193, 79900), (235, 65620), (340, 45355), (386, 39950), (425, 36284), (470, 32810), (772, 19975), (799, 19300), (850, 18142), (940, 16405), (965, 15980), (1175, 13124), (1598, 9650), (1700, 9071), (1930, 7990), (2350, 6562), (3196, 4825), (3281, 4700), (3860, 3995)]