297907420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 636451200

約数和(自身を除く): 338543780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 409, 461, 790, 818, 922, 1580, 1636, 1844, 2045, 2305, 4090, 4610, 8180, 9220, 32311, 36419, 64622, 72838, 129244, 145676, 161555, 182095, 188549, 323110, 364190, 377098, 646220, 728380, 754196, 942745, 1885490, 3770980, 14895371, 29790742, 59581484, 74476855, 148953710, 297907420]

約数ペア:

[(1, 297907420), (2, 148953710), (4, 74476855), (5, 59581484), (10, 29790742), (20, 14895371), (79, 3770980), (158, 1885490), (316, 942745), (395, 754196), (409, 728380), (461, 646220), (790, 377098), (818, 364190), (922, 323110), (1580, 188549), (1636, 182095), (1844, 161555), (2045, 145676), (2305, 129244), (4090, 72838), (4610, 64622), (8180, 36419), (9220, 32311)]