31929940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1741}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 77261184

約数和(自身を除く): 45331244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1741, 1834, 2620, 3482, 3668, 4585, 6964, 8705, 9170, 12187, 17410, 18340, 24374, 34820, 48748, 60935, 121870, 228071, 243740, 456142, 912284, 1140355, 1596497, 2280710, 3192994, 4561420, 6385988, 7982485, 15964970, 31929940]

約数ペア:

[(1, 31929940), (2, 15964970), (4, 7982485), (5, 6385988), (7, 4561420), (10, 3192994), (14, 2280710), (20, 1596497), (28, 1140355), (35, 912284), (70, 456142), (131, 243740), (140, 228071), (262, 121870), (524, 60935), (655, 48748), (917, 34820), (1310, 24374), (1741, 18340), (1834, 17410), (2620, 12187), (3482, 9170), (3668, 8705), (4585, 6964)]