85470280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{797}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 220631040

約数和(自身を除く): 135160760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 797, 1532, 1594, 1915, 2681, 3064, 3188, 3830, 3985, 5362, 5579, 6376, 7660, 7970, 10724, 11158, 13405, 15320, 15940, 21448, 22316, 26810, 27895, 31880, 44632, 53620, 55790, 107240, 111580, 223160, 305251, 610502, 1221004, 1526255, 2136757, 2442008, 3052510, 4273514, 6105020, 8547028, 10683785, 12210040, 17094056, 21367570, 42735140, 85470280]

約数ペア:

[(1, 85470280), (2, 42735140), (4, 21367570), (5, 17094056), (7, 12210040), (8, 10683785), (10, 8547028), (14, 6105020), (20, 4273514), (28, 3052510), (35, 2442008), (40, 2136757), (56, 1526255), (70, 1221004), (140, 610502), (280, 305251), (383, 223160), (766, 111580), (797, 107240), (1532, 55790), (1594, 53620), (1915, 44632), (2681, 31880), (3064, 27895), (3188, 26810), (3830, 22316), (3985, 21448), (5362, 15940), (5579, 15320), (6376, 13405), (7660, 11158), (7970, 10724)]