304865740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 652982400

約数和(自身を除く): 348116660

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 628, 785, 790, 1229, 1570, 1580, 2458, 3140, 4916, 6145, 12290, 12403, 24580, 24806, 49612, 62015, 97091, 124030, 192953, 194182, 248060, 385906, 388364, 485455, 771812, 964765, 970910, 1929530, 1941820, 3859060, 15243287, 30486574, 60973148, 76216435, 152432870, 304865740]

約数ペア:

[(1, 304865740), (2, 152432870), (4, 76216435), (5, 60973148), (10, 30486574), (20, 15243287), (79, 3859060), (157, 1941820), (158, 1929530), (314, 970910), (316, 964765), (395, 771812), (628, 485455), (785, 388364), (790, 385906), (1229, 248060), (1570, 194182), (1580, 192953), (2458, 124030), (3140, 97091), (4916, 62015), (6145, 49612), (12290, 24806), (12403, 24580)]