306807560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^2\times {\mathrm{1229}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 699734700

約数和(自身を除く): 392927140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1229, 1580, 2458, 3160, 4916, 6145, 6241, 9832, 12290, 12482, 24580, 24964, 31205, 49160, 49928, 62410, 97091, 124820, 194182, 249640, 388364, 485455, 776728, 970910, 1941820, 3883640, 7670189, 15340378, 30680756, 38350945, 61361512, 76701890, 153403780, 306807560]

約数ペア:

[(1, 306807560), (2, 153403780), (4, 76701890), (5, 61361512), (8, 38350945), (10, 30680756), (20, 15340378), (40, 7670189), (79, 3883640), (158, 1941820), (316, 970910), (395, 776728), (632, 485455), (790, 388364), (1229, 249640), (1580, 194182), (2458, 124820), (3160, 97091), (4916, 62410), (6145, 49928), (6241, 49160), (9832, 31205), (12290, 24964), (12482, 24580)]