31621660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 79231824

約数和(自身を除く): 47610164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 787, 820, 980, 1148, 1435, 1574, 2009, 2870, 3148, 3935, 4018, 5509, 5740, 7870, 8036, 10045, 11018, 15740, 20090, 22036, 27545, 32267, 38563, 40180, 55090, 64534, 77126, 110180, 129068, 154252, 161335, 192815, 225869, 322670, 385630, 451738, 645340, 771260, 903476, 1129345, 1581083, 2258690, 3162166, 4517380, 6324332, 7905415, 15810830, 31621660]

約数ペア:

[(1, 31621660), (2, 15810830), (4, 7905415), (5, 6324332), (7, 4517380), (10, 3162166), (14, 2258690), (20, 1581083), (28, 1129345), (35, 903476), (41, 771260), (49, 645340), (70, 451738), (82, 385630), (98, 322670), (140, 225869), (164, 192815), (196, 161335), (205, 154252), (245, 129068), (287, 110180), (410, 77126), (490, 64534), (574, 55090), (787, 40180), (820, 38563), (980, 32267), (1148, 27545), (1435, 22036), (1574, 20090), (2009, 15740), (2870, 11018), (3148, 10045), (3935, 8036), (4018, 7870), (5509, 5740)]