900000010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{989011}}^1$

素因数の和:989038

約数の個数: 32

約数和(自身を含む): 1993848192

約数和(自身を除く): 1093848182

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 989011, 1978022, 4945055, 6923077, 9890110, 12857143, 13846154, 25714286, 34615385, 64285715, 69230770, 90000001, 128571430, 180000002, 450000005, 900000010]

約数ペア:

[(1, 900000010), (2, 450000005), (5, 180000002), (7, 128571430), (10, 90000001), (13, 69230770), (14, 64285715), (26, 34615385), (35, 25714286), (65, 13846154), (70, 12857143), (91, 9890110), (130, 6923077), (182, 4945055), (455, 1978022), (910, 989011)]