71477620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2381}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 160070400

約数和(自身を除く): 88592780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 2381, 3002, 4762, 6004, 7505, 9524, 11905, 15010, 23810, 30020, 45239, 47620, 90478, 180956, 188099, 226195, 376198, 452390, 752396, 904780, 940495, 1880990, 3573881, 3761980, 7147762, 14295524, 17869405, 35738810, 71477620]

約数ペア:

[(1, 71477620), (2, 35738810), (4, 17869405), (5, 14295524), (10, 7147762), (19, 3761980), (20, 3573881), (38, 1880990), (76, 940495), (79, 904780), (95, 752396), (158, 452390), (190, 376198), (316, 226195), (380, 188099), (395, 180956), (790, 90478), (1501, 47620), (1580, 45239), (2381, 30020), (3002, 23810), (4762, 15010), (6004, 11905), (7505, 9524)]