221467820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25933}}^1$

素因数の和:26010

約数の個数: 48

約数和(自身を含む): 540257088

約数和(自身を除く): 318789268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 25933, 51866, 103732, 129665, 181531, 259330, 363062, 518660, 726124, 907655, 1581913, 1815310, 3163826, 3630620, 6327652, 7909565, 11073391, 15819130, 22146782, 31638260, 44293564, 55366955, 110733910, 221467820]

約数ペア:

[(1, 221467820), (2, 110733910), (4, 55366955), (5, 44293564), (7, 31638260), (10, 22146782), (14, 15819130), (20, 11073391), (28, 7909565), (35, 6327652), (61, 3630620), (70, 3163826), (122, 1815310), (140, 1581913), (244, 907655), (305, 726124), (427, 518660), (610, 363062), (854, 259330), (1220, 181531), (1708, 129665), (2135, 103732), (4270, 51866), (8540, 25933)]