31941580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 75209904

約数和(自身を除く): 43268324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 121, 134, 197, 220, 242, 268, 335, 394, 484, 605, 670, 737, 788, 985, 1210, 1340, 1474, 1970, 2167, 2420, 2948, 3685, 3940, 4334, 7370, 8107, 8668, 10835, 13199, 14740, 16214, 21670, 23837, 26398, 32428, 40535, 43340, 47674, 52796, 65995, 81070, 95348, 119185, 131990, 145189, 162140, 238370, 263980, 290378, 476740, 580756, 725945, 1451890, 1597079, 2903780, 3194158, 6388316, 7985395, 15970790, 31941580]

約数ペア:

[(1, 31941580), (2, 15970790), (4, 7985395), (5, 6388316), (10, 3194158), (11, 2903780), (20, 1597079), (22, 1451890), (44, 725945), (55, 580756), (67, 476740), (110, 290378), (121, 263980), (134, 238370), (197, 162140), (220, 145189), (242, 131990), (268, 119185), (335, 95348), (394, 81070), (484, 65995), (605, 52796), (670, 47674), (737, 43340), (788, 40535), (985, 32428), (1210, 26398), (1340, 23837), (1474, 21670), (1970, 16214), (2167, 14740), (2420, 13199), (2948, 10835), (3685, 8668), (3940, 8107), (4334, 7370)]