118145080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 274428000

約数和(自身を除く): 156282920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 215, 298, 344, 430, 461, 596, 745, 860, 922, 1192, 1490, 1720, 1844, 2305, 2980, 3688, 4610, 5960, 6407, 9220, 12814, 18440, 19823, 25628, 32035, 39646, 51256, 64070, 68689, 79292, 99115, 128140, 137378, 158584, 198230, 256280, 274756, 343445, 396460, 549512, 686890, 792920, 1373780, 2747560, 2953627, 5907254, 11814508, 14768135, 23629016, 29536270, 59072540, 118145080]

約数ペア:

[(1, 118145080), (2, 59072540), (4, 29536270), (5, 23629016), (8, 14768135), (10, 11814508), (20, 5907254), (40, 2953627), (43, 2747560), (86, 1373780), (149, 792920), (172, 686890), (215, 549512), (298, 396460), (344, 343445), (430, 274756), (461, 256280), (596, 198230), (745, 158584), (860, 137378), (922, 128140), (1192, 99115), (1490, 79292), (1720, 68689), (1844, 64070), (2305, 51256), (2980, 39646), (3688, 32035), (4610, 25628), (5960, 19823), (6407, 18440), (9220, 12814)]