210957808

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 437114880

約数和(自身を除く): 226157072

約数列:

[1, 2, 4, 8, 16, 47, 53, 67, 79, 94, 106, 134, 158, 188, 212, 268, 316, 376, 424, 536, 632, 752, 848, 1072, 1264, 2491, 3149, 3551, 3713, 4187, 4982, 5293, 6298, 7102, 7426, 8374, 9964, 10586, 12596, 14204, 14852, 16748, 19928, 21172, 25192, 28408, 29704, 33496, 39856, 42344, 50384, 56816, 59408, 66992, 84688, 166897, 196789, 248771, 280529, 333794, 393578, 497542, 561058, 667588, 787156, 995084, 1122116, 1335176, 1574312, 1990168, 2244232, 2670352, 3148624, 3980336, 4488464, 13184863, 26369726, 52739452, 105478904, 210957808]

約数ペア:

[(1, 210957808), (2, 105478904), (4, 52739452), (8, 26369726), (16, 13184863), (47, 4488464), (53, 3980336), (67, 3148624), (79, 2670352), (94, 2244232), (106, 1990168), (134, 1574312), (158, 1335176), (188, 1122116), (212, 995084), (268, 787156), (316, 667588), (376, 561058), (424, 497542), (536, 393578), (632, 333794), (752, 280529), (848, 248771), (1072, 196789), (1264, 166897), (2491, 84688), (3149, 66992), (3551, 59408), (3713, 56816), (4187, 50384), (4982, 42344), (5293, 39856), (6298, 33496), (7102, 29704), (7426, 28408), (8374, 25192), (9964, 21172), (10586, 19928), (12596, 16748), (14204, 14852)]