15768100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 37046240

約数和(自身を除く): 21278140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 193, 215, 380, 386, 430, 475, 772, 817, 860, 950, 965, 1075, 1634, 1900, 1930, 2150, 3268, 3667, 3860, 4085, 4300, 4825, 7334, 8170, 8299, 9650, 14668, 16340, 16598, 18335, 19300, 20425, 33196, 36670, 40850, 41495, 73340, 81700, 82990, 91675, 157681, 165980, 183350, 207475, 315362, 366700, 414950, 630724, 788405, 829900, 1576810, 3153620, 3942025, 7884050, 15768100]

約数ペア:

[(1, 15768100), (2, 7884050), (4, 3942025), (5, 3153620), (10, 1576810), (19, 829900), (20, 788405), (25, 630724), (38, 414950), (43, 366700), (50, 315362), (76, 207475), (86, 183350), (95, 165980), (100, 157681), (172, 91675), (190, 82990), (193, 81700), (215, 73340), (380, 41495), (386, 40850), (430, 36670), (475, 33196), (772, 20425), (817, 19300), (860, 18335), (950, 16598), (965, 16340), (1075, 14668), (1634, 9650), (1900, 8299), (1930, 8170), (2150, 7334), (3268, 4825), (3667, 4300), (3860, 4085)]