30628240

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1097}}^1$

素因数の和:1459

約数の個数: 40

約数和(自身を含む): 71479800

約数和(自身を除く): 40851560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1097, 1396, 1745, 2194, 2792, 3490, 4388, 5485, 5584, 6980, 8776, 10970, 13960, 17552, 21940, 27920, 43880, 87760, 382853, 765706, 1531412, 1914265, 3062824, 3828530, 6125648, 7657060, 15314120, 30628240]

約数ペア:

[(1, 30628240), (2, 15314120), (4, 7657060), (5, 6125648), (8, 3828530), (10, 3062824), (16, 1914265), (20, 1531412), (40, 765706), (80, 382853), (349, 87760), (698, 43880), (1097, 27920), (1396, 21940), (1745, 17552), (2194, 13960), (2792, 10970), (3490, 8776), (4388, 6980), (5485, 5584)]