161824360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{237977}}^1$

素因数の和:238005

約数の個数: 32

約数和(自身を含む): 385524360

約数和(自身を除く): 223700000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 237977, 475954, 951908, 1189885, 1903816, 2379770, 4045609, 4759540, 8091218, 9519080, 16182436, 20228045, 32364872, 40456090, 80912180, 161824360]

約数ペア:

[(1, 161824360), (2, 80912180), (4, 40456090), (5, 32364872), (8, 20228045), (10, 16182436), (17, 9519080), (20, 8091218), (34, 4759540), (40, 4045609), (68, 2379770), (85, 1903816), (136, 1189885), (170, 951908), (340, 475954), (680, 237977)]