173396920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 402408000

約数和(自身を除く): 229011080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 890, 919, 1060, 1780, 1838, 2120, 3560, 3676, 4595, 4717, 7352, 9190, 9434, 18380, 18868, 23585, 36760, 37736, 47170, 48707, 81791, 94340, 97414, 163582, 188680, 194828, 243535, 327164, 389656, 408955, 487070, 654328, 817910, 974140, 1635820, 1948280, 3271640, 4334923, 8669846, 17339692, 21674615, 34679384, 43349230, 86698460, 173396920]

約数ペア:

[(1, 173396920), (2, 86698460), (4, 43349230), (5, 34679384), (8, 21674615), (10, 17339692), (20, 8669846), (40, 4334923), (53, 3271640), (89, 1948280), (106, 1635820), (178, 974140), (212, 817910), (265, 654328), (356, 487070), (424, 408955), (445, 389656), (530, 327164), (712, 243535), (890, 194828), (919, 188680), (1060, 163582), (1780, 97414), (1838, 94340), (2120, 81791), (3560, 48707), (3676, 47170), (4595, 37736), (4717, 36760), (7352, 23585), (9190, 18868), (9434, 18380)]