72784780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1873}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 160564320

約数和(自身を除く): 87779540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1873, 1943, 3746, 3886, 7492, 7772, 9365, 9715, 18730, 19430, 37460, 38860, 54317, 108634, 125491, 217268, 250982, 271585, 501964, 543170, 627455, 1086340, 1254910, 2509820, 3639239, 7278478, 14556956, 18196195, 36392390, 72784780]

約数ペア:

[(1, 72784780), (2, 36392390), (4, 18196195), (5, 14556956), (10, 7278478), (20, 3639239), (29, 2509820), (58, 1254910), (67, 1086340), (116, 627455), (134, 543170), (145, 501964), (268, 271585), (290, 250982), (335, 217268), (580, 125491), (670, 108634), (1340, 54317), (1873, 38860), (1943, 37460), (3746, 19430), (3886, 18730), (7492, 9715), (7772, 9365)]