2858890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 5552064

約数和(自身を除く): 2693174

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 251, 335, 502, 670, 1139, 1255, 2278, 2510, 4267, 5695, 8534, 11390, 16817, 21335, 33634, 42670, 84085, 168170, 285889, 571778, 1429445, 2858890]

約数ペア:

[(1, 2858890), (2, 1429445), (5, 571778), (10, 285889), (17, 168170), (34, 84085), (67, 42670), (85, 33634), (134, 21335), (170, 16817), (251, 11390), (335, 8534), (502, 5695), (670, 4267), (1139, 2510), (1255, 2278)]