28557460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 63277200

約数和(自身を除く): 34719740

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 929, 1060, 1537, 1858, 3074, 3716, 4645, 6148, 7685, 9290, 15370, 18580, 26941, 30740, 49237, 53882, 98474, 107764, 134705, 196948, 246185, 269410, 492370, 538820, 984740, 1427873, 2855746, 5711492, 7139365, 14278730, 28557460]

約数ペア:

[(1, 28557460), (2, 14278730), (4, 7139365), (5, 5711492), (10, 2855746), (20, 1427873), (29, 984740), (53, 538820), (58, 492370), (106, 269410), (116, 246185), (145, 196948), (212, 134705), (265, 107764), (290, 98474), (530, 53882), (580, 49237), (929, 30740), (1060, 26941), (1537, 18580), (1858, 15370), (3074, 9290), (3716, 7685), (4645, 6148)]