30798740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1229}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 74390400

約数和(自身を除く): 43591660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1229, 1253, 1790, 2458, 2506, 3580, 4916, 5012, 6145, 6265, 8603, 12290, 12530, 17206, 24580, 25060, 34412, 43015, 86030, 172060, 219991, 439982, 879964, 1099955, 1539937, 2199910, 3079874, 4399820, 6159748, 7699685, 15399370, 30798740]

約数ペア:

[(1, 30798740), (2, 15399370), (4, 7699685), (5, 6159748), (7, 4399820), (10, 3079874), (14, 2199910), (20, 1539937), (28, 1099955), (35, 879964), (70, 439982), (140, 219991), (179, 172060), (358, 86030), (716, 43015), (895, 34412), (1229, 25060), (1253, 24580), (1790, 17206), (2458, 12530), (2506, 12290), (3580, 8603), (4916, 6265), (5012, 6145)]