401540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 893592

約数和(自身を除く): 492052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1181, 2362, 4724, 5905, 11810, 20077, 23620, 40154, 80308, 100385, 200770, 401540]

約数ペア:

[(1, 401540), (2, 200770), (4, 100385), (5, 80308), (10, 40154), (17, 23620), (20, 20077), (34, 11810), (68, 5905), (85, 4724), (170, 2362), (340, 1181)]