156659420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{881}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 349399008

約数和(自身を除く): 192739588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 523, 881, 1046, 1762, 2092, 2615, 3524, 4405, 5230, 8810, 8891, 10460, 14977, 17620, 17782, 29954, 35564, 44455, 59908, 74885, 88910, 149770, 177820, 299540, 460763, 921526, 1843052, 2303815, 4607630, 7832971, 9215260, 15665942, 31331884, 39164855, 78329710, 156659420]

約数ペア:

[(1, 156659420), (2, 78329710), (4, 39164855), (5, 31331884), (10, 15665942), (17, 9215260), (20, 7832971), (34, 4607630), (68, 2303815), (85, 1843052), (170, 921526), (340, 460763), (523, 299540), (881, 177820), (1046, 149770), (1762, 88910), (2092, 74885), (2615, 59908), (3524, 44455), (4405, 35564), (5230, 29954), (8810, 17782), (8891, 17620), (10460, 14977)]