1897831220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1\times {\mathrm{2111}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 4044902400

約数和(自身を除く): 2147071180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 569, 790, 1138, 1580, 2111, 2276, 2845, 4222, 5690, 8444, 10555, 11380, 21110, 42220, 44951, 89902, 166769, 179804, 224755, 333538, 449510, 667076, 833845, 899020, 1201159, 1667690, 2402318, 3335380, 4804636, 6005795, 12011590, 24023180, 94891561, 189783122, 379566244, 474457805, 948915610, 1897831220]

約数ペア:

[(1, 1897831220), (2, 948915610), (4, 474457805), (5, 379566244), (10, 189783122), (20, 94891561), (79, 24023180), (158, 12011590), (316, 6005795), (395, 4804636), (569, 3335380), (790, 2402318), (1138, 1667690), (1580, 1201159), (2111, 899020), (2276, 833845), (2845, 667076), (4222, 449510), (5690, 333538), (8444, 224755), (10555, 179804), (11380, 166769), (21110, 89902), (42220, 44951)]