8498840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 22118400

約数和(自身を除く): 13619560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 239, 254, 280, 478, 508, 635, 889, 956, 1016, 1195, 1270, 1673, 1778, 1912, 2390, 2540, 3346, 3556, 4445, 4780, 5080, 6692, 7112, 8365, 8890, 9560, 13384, 16730, 17780, 30353, 33460, 35560, 60706, 66920, 121412, 151765, 212471, 242824, 303530, 424942, 607060, 849884, 1062355, 1214120, 1699768, 2124710, 4249420, 8498840]

約数ペア:

[(1, 8498840), (2, 4249420), (4, 2124710), (5, 1699768), (7, 1214120), (8, 1062355), (10, 849884), (14, 607060), (20, 424942), (28, 303530), (35, 242824), (40, 212471), (56, 151765), (70, 121412), (127, 66920), (140, 60706), (239, 35560), (254, 33460), (280, 30353), (478, 17780), (508, 16730), (635, 13384), (889, 9560), (956, 8890), (1016, 8365), (1195, 7112), (1270, 6692), (1673, 5080), (1778, 4780), (1912, 4445), (2390, 3556), (2540, 3346)]