129730490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2503}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 240143616

約数和(自身を除く): 110413126

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 710, 730, 2503, 5006, 5183, 10366, 12515, 25030, 25915, 51830, 177713, 182719, 355426, 365438, 888565, 913595, 1777130, 1827190, 12973049, 25946098, 64865245, 129730490]

約数ペア:

[(1, 129730490), (2, 64865245), (5, 25946098), (10, 12973049), (71, 1827190), (73, 1777130), (142, 913595), (146, 888565), (355, 365438), (365, 355426), (710, 182719), (730, 177713), (2503, 51830), (5006, 25915), (5183, 25030), (10366, 12515)]