678680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 1645920

約数和(自身を除く): 967240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 361, 376, 380, 470, 722, 760, 893, 940, 1444, 1786, 1805, 1880, 2888, 3572, 3610, 4465, 7144, 7220, 8930, 14440, 16967, 17860, 33934, 35720, 67868, 84835, 135736, 169670, 339340, 678680]

約数ペア:

[(1, 678680), (2, 339340), (4, 169670), (5, 135736), (8, 84835), (10, 67868), (19, 35720), (20, 33934), (38, 17860), (40, 16967), (47, 14440), (76, 8930), (94, 7220), (95, 7144), (152, 4465), (188, 3610), (190, 3572), (235, 2888), (361, 1880), (376, 1805), (380, 1786), (470, 1444), (722, 940), (760, 893)]