390295890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139891}}^1$

素因数の和:139935

約数の個数: 48

約数和(自身を含む): 1047511296

約数和(自身を除く): 657215406

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 139891, 279782, 419673, 699455, 839346, 1259019, 1398910, 2098365, 2518038, 4196730, 4336621, 6295095, 8673242, 12590190, 13009863, 21683105, 26019726, 39029589, 43366210, 65049315, 78059178, 130098630, 195147945, 390295890]

約数ペア:

[(1, 390295890), (2, 195147945), (3, 130098630), (5, 78059178), (6, 65049315), (9, 43366210), (10, 39029589), (15, 26019726), (18, 21683105), (30, 13009863), (31, 12590190), (45, 8673242), (62, 6295095), (90, 4336621), (93, 4196730), (155, 2518038), (186, 2098365), (279, 1398910), (310, 1259019), (465, 839346), (558, 699455), (930, 419673), (1395, 279782), (2790, 139891)]