238108520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14771}}^1$

素因数の和:14826

約数の個数: 64

約数和(自身を含む): 595607040

約数和(自身を除く): 357498520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 14771, 16120, 29542, 59084, 73855, 118168, 147710, 192023, 295420, 384046, 457901, 590840, 768092, 915802, 960115, 1536184, 1831604, 1920230, 2289505, 3663208, 3840460, 4579010, 5952713, 7680920, 9158020, 11905426, 18316040, 23810852, 29763565, 47621704, 59527130, 119054260, 238108520]

約数ペア:

[(1, 238108520), (2, 119054260), (4, 59527130), (5, 47621704), (8, 29763565), (10, 23810852), (13, 18316040), (20, 11905426), (26, 9158020), (31, 7680920), (40, 5952713), (52, 4579010), (62, 3840460), (65, 3663208), (104, 2289505), (124, 1920230), (130, 1831604), (155, 1536184), (248, 960115), (260, 915802), (310, 768092), (403, 590840), (520, 457901), (620, 384046), (806, 295420), (1240, 192023), (1612, 147710), (2015, 118168), (3224, 73855), (4030, 59084), (8060, 29542), (14771, 16120)]