278879150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26687}}^1$

素因数の和:26729

約数の個数: 48

約数和(自身を含む): 595676160

約数和(自身を除く): 316797010

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 10450, 26687, 53374, 133435, 266870, 293557, 507053, 587114, 667175, 1014106, 1334350, 1467785, 2535265, 2935570, 5070530, 5577583, 7338925, 11155166, 12676325, 14677850, 25352650, 27887915, 55775830, 139439575, 278879150]

約数ペア:

[(1, 278879150), (2, 139439575), (5, 55775830), (10, 27887915), (11, 25352650), (19, 14677850), (22, 12676325), (25, 11155166), (38, 7338925), (50, 5577583), (55, 5070530), (95, 2935570), (110, 2535265), (190, 1467785), (209, 1334350), (275, 1014106), (418, 667175), (475, 587114), (550, 507053), (950, 293557), (1045, 266870), (2090, 133435), (5225, 53374), (10450, 26687)]