28068940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 61401312

約数和(自身を除く): 33332372

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 332, 370, 415, 457, 740, 830, 914, 1660, 1828, 2285, 3071, 4570, 6142, 9140, 12284, 15355, 16909, 30710, 33818, 37931, 61420, 67636, 75862, 84545, 151724, 169090, 189655, 338180, 379310, 758620, 1403447, 2806894, 5613788, 7017235, 14034470, 28068940]

約数ペア:

[(1, 28068940), (2, 14034470), (4, 7017235), (5, 5613788), (10, 2806894), (20, 1403447), (37, 758620), (74, 379310), (83, 338180), (148, 189655), (166, 169090), (185, 151724), (332, 84545), (370, 75862), (415, 67636), (457, 61420), (740, 37931), (830, 33818), (914, 30710), (1660, 16909), (1828, 15355), (2285, 12284), (3071, 9140), (4570, 6142)]