303485240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{106861}}^1$

素因数の和:106943

約数の個数: 32

約数和(自身を含む): 692465760

約数和(自身を除く): 388980520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 106861, 213722, 427444, 534305, 854888, 1068610, 2137220, 4274440, 7587131, 15174262, 30348524, 37935655, 60697048, 75871310, 151742620, 303485240]

約数ペア:

[(1, 303485240), (2, 151742620), (4, 75871310), (5, 60697048), (8, 37935655), (10, 30348524), (20, 15174262), (40, 7587131), (71, 4274440), (142, 2137220), (284, 1068610), (355, 854888), (568, 534305), (710, 427444), (1420, 213722), (2840, 106861)]