304865120260

素因数分解:

$2^2\times 5^1\times {\mathrm{139423}}^1\times {\mathrm{109331}}^1$

素因数の和:248763

約数の個数: 24

約数和(自身を含む): 640227200256

約数和(自身を除く): 335362079996

約数列:

[1, 2, 4, 5, 10, 20, 109331, 139423, 218662, 278846, 437324, 546655, 557692, 697115, 1093310, 1394230, 2186620, 2788460, 15243256013, 30486512026, 60973024052, 76216280065, 152432560130, 304865120260]

約数ペア:

[(1, 304865120260), (2, 152432560130), (4, 76216280065), (5, 60973024052), (10, 30486512026), (20, 15243256013), (109331, 2788460), (139423, 2186620), (218662, 1394230), (278846, 1093310), (437324, 697115), (546655, 557692)]