131447140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1873}}^1$

素因数の和:1933

約数の個数: 72

約数和(自身を含む): 314044920

約数和(自身を除く): 182597780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1210, 1276, 1595, 1873, 2420, 3190, 3509, 3746, 6380, 7018, 7492, 9365, 14036, 17545, 18730, 20603, 35090, 37460, 41206, 54317, 70180, 82412, 103015, 108634, 206030, 217268, 226633, 271585, 412060, 453266, 543170, 597487, 906532, 1086340, 1133165, 1194974, 2266330, 2389948, 2987435, 4532660, 5974870, 6572357, 11949740, 13144714, 26289428, 32861785, 65723570, 131447140]

約数ペア:

[(1, 131447140), (2, 65723570), (4, 32861785), (5, 26289428), (10, 13144714), (11, 11949740), (20, 6572357), (22, 5974870), (29, 4532660), (44, 2987435), (55, 2389948), (58, 2266330), (110, 1194974), (116, 1133165), (121, 1086340), (145, 906532), (220, 597487), (242, 543170), (290, 453266), (319, 412060), (484, 271585), (580, 226633), (605, 217268), (638, 206030), (1210, 108634), (1276, 103015), (1595, 82412), (1873, 70180), (2420, 54317), (3190, 41206), (3509, 37460), (3746, 35090), (6380, 20603), (7018, 18730), (7492, 17545), (9365, 14036)]