28417970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13999}}^1$

素因数の和:14042

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 32062030

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 13999, 27998, 69995, 97993, 139990, 195986, 405971, 489965, 811942, 979930, 2029855, 2841797, 4059710, 5683594, 14208985, 28417970]

約数ペア:

[(1, 28417970), (2, 14208985), (5, 5683594), (7, 4059710), (10, 2841797), (14, 2029855), (29, 979930), (35, 811942), (58, 489965), (70, 405971), (145, 195986), (203, 139990), (290, 97993), (406, 69995), (1015, 27998), (2030, 13999)]