131351080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3581}}^1$

素因数の和:3730

約数の個数: 64

約数和(自身を含む): 340433280

約数和(自身を除く): 209082200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3581, 3668, 4585, 5240, 7162, 7336, 9170, 14324, 17905, 18340, 25067, 28648, 35810, 36680, 50134, 71620, 100268, 125335, 143240, 200536, 250670, 469111, 501340, 938222, 1002680, 1876444, 2345555, 3283777, 3752888, 4691110, 6567554, 9382220, 13135108, 16418885, 18764440, 26270216, 32837770, 65675540, 131351080]

約数ペア:

[(1, 131351080), (2, 65675540), (4, 32837770), (5, 26270216), (7, 18764440), (8, 16418885), (10, 13135108), (14, 9382220), (20, 6567554), (28, 4691110), (35, 3752888), (40, 3283777), (56, 2345555), (70, 1876444), (131, 1002680), (140, 938222), (262, 501340), (280, 469111), (524, 250670), (655, 200536), (917, 143240), (1048, 125335), (1310, 100268), (1834, 71620), (2620, 50134), (3581, 36680), (3668, 35810), (4585, 28648), (5240, 25067), (7162, 18340), (7336, 17905), (9170, 14324)]