402540620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1183943}}^1$

素因数の和:1183969

約数の個数: 24

約数和(自身を含む): 895061664

約数和(自身を除く): 492521044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1183943, 2367886, 4735772, 5919715, 11839430, 20127031, 23678860, 40254062, 80508124, 100635155, 201270310, 402540620]

約数ペア:

[(1, 402540620), (2, 201270310), (4, 100635155), (5, 80508124), (10, 40254062), (17, 23678860), (20, 20127031), (34, 11839430), (68, 5919715), (85, 4735772), (170, 2367886), (340, 1183943)]