139230710

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2143}}^1$

素因数の和:2312

約数の個数: 32

約数和(自身を含む): 257022720

約数和(自身を除く): 117792010

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 890, 2143, 4286, 6497, 10715, 12994, 21430, 32485, 64970, 156439, 190727, 312878, 381454, 782195, 953635, 1564390, 1907270, 13923071, 27846142, 69615355, 139230710]

約数ペア:

[(1, 139230710), (2, 69615355), (5, 27846142), (10, 13923071), (73, 1907270), (89, 1564390), (146, 953635), (178, 782195), (365, 381454), (445, 312878), (730, 190727), (890, 156439), (2143, 64970), (4286, 32485), (6497, 21430), (10715, 12994)]