215126970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{70999}}^1$

素因数の和:71110

約数の個数: 32

約数和(自身を含む): 521424000

約数和(自身を除く): 306297030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 70999, 141998, 212997, 354995, 425994, 709990, 1064985, 2129970, 7170899, 14341798, 21512697, 35854495, 43025394, 71708990, 107563485, 215126970]

約数ペア:

[(1, 215126970), (2, 107563485), (3, 71708990), (5, 43025394), (6, 35854495), (10, 21512697), (15, 14341798), (30, 7170899), (101, 2129970), (202, 1064985), (303, 709990), (505, 425994), (606, 354995), (1010, 212997), (1515, 141998), (3030, 70999)]