215156620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4643}}^1$

素因数の和:4990

約数の個数: 48

約数和(自身を含む): 518047488

約数和(自身を除く): 302890868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 2317, 3310, 4634, 4643, 6620, 9268, 9286, 11585, 18572, 23170, 23215, 32501, 46340, 46430, 65002, 92860, 130004, 162505, 325010, 650020, 1536833, 3073666, 6147332, 7684165, 10757831, 15368330, 21515662, 30736660, 43031324, 53789155, 107578310, 215156620]

約数ペア:

[(1, 215156620), (2, 107578310), (4, 53789155), (5, 43031324), (7, 30736660), (10, 21515662), (14, 15368330), (20, 10757831), (28, 7684165), (35, 6147332), (70, 3073666), (140, 1536833), (331, 650020), (662, 325010), (1324, 162505), (1655, 130004), (2317, 92860), (3310, 65002), (4634, 46430), (4643, 46340), (6620, 32501), (9268, 23215), (9286, 23170), (11585, 18572)]