489770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 32

約数和(自身を含む): 969408

約数和(自身を除く): 479638

約数列:

[1, 2, 5, 10, 17, 34, 43, 67, 85, 86, 134, 170, 215, 335, 430, 670, 731, 1139, 1462, 2278, 2881, 3655, 5695, 5762, 7310, 11390, 14405, 28810, 48977, 97954, 244885, 489770]

約数ペア:

[(1, 489770), (2, 244885), (5, 97954), (10, 48977), (17, 28810), (34, 14405), (43, 11390), (67, 7310), (85, 5762), (86, 5695), (134, 3655), (170, 2881), (215, 2278), (335, 1462), (430, 1139), (670, 731)]