28478870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{14029}}^1$

素因数の和:14072

約数の個数: 32

約数和(自身を含む): 60609600

約数和(自身を除く): 32130730

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 14029, 28058, 70145, 98203, 140290, 196406, 406841, 491015, 813682, 982030, 2034205, 2847887, 4068410, 5695774, 14239435, 28478870]

約数ペア:

[(1, 28478870), (2, 14239435), (5, 5695774), (7, 4068410), (10, 2847887), (14, 2034205), (29, 982030), (35, 813682), (58, 491015), (70, 406841), (145, 196406), (203, 140290), (290, 98203), (406, 70145), (1015, 28058), (2030, 14029)]