131984300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 328833120

約数和(自身を除く): 196848820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 409, 461, 700, 818, 922, 1636, 1844, 2045, 2305, 2863, 3227, 4090, 4610, 5726, 6454, 8180, 9220, 10225, 11452, 11525, 12908, 14315, 16135, 20450, 23050, 28630, 32270, 40900, 46100, 57260, 64540, 71575, 80675, 143150, 161350, 188549, 286300, 322700, 377098, 754196, 942745, 1319843, 1885490, 2639686, 3770980, 4713725, 5279372, 6599215, 9427450, 13198430, 18854900, 26396860, 32996075, 65992150, 131984300]

約数ペア:

[(1, 131984300), (2, 65992150), (4, 32996075), (5, 26396860), (7, 18854900), (10, 13198430), (14, 9427450), (20, 6599215), (25, 5279372), (28, 4713725), (35, 3770980), (50, 2639686), (70, 1885490), (100, 1319843), (140, 942745), (175, 754196), (350, 377098), (409, 322700), (461, 286300), (700, 188549), (818, 161350), (922, 143150), (1636, 80675), (1844, 71575), (2045, 64540), (2305, 57260), (2863, 46100), (3227, 40900), (4090, 32270), (4610, 28630), (5726, 23050), (6454, 20450), (8180, 16135), (9220, 14315), (10225, 12908), (11452, 11525)]