289340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 689472

約数和(自身を除く): 400132

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 37, 46, 68, 74, 85, 92, 115, 148, 170, 185, 230, 340, 370, 391, 460, 629, 740, 782, 851, 1258, 1564, 1702, 1955, 2516, 3145, 3404, 3910, 4255, 6290, 7820, 8510, 12580, 14467, 17020, 28934, 57868, 72335, 144670, 289340]

約数ペア:

[(1, 289340), (2, 144670), (4, 72335), (5, 57868), (10, 28934), (17, 17020), (20, 14467), (23, 12580), (34, 8510), (37, 7820), (46, 6290), (68, 4255), (74, 3910), (85, 3404), (92, 3145), (115, 2516), (148, 1955), (170, 1702), (185, 1564), (230, 1258), (340, 851), (370, 782), (391, 740), (460, 629)]