408022990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 774739728

約数和(自身を除く): 366716738

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 230, 274, 529, 563, 685, 1058, 1126, 1370, 2645, 2815, 3151, 5290, 5630, 6302, 12949, 15755, 25898, 31510, 64745, 72473, 77131, 129490, 144946, 154262, 297827, 362365, 385655, 595654, 724730, 771310, 1489135, 1774013, 2978270, 3548026, 8870065, 17740130, 40802299, 81604598, 204011495, 408022990]

約数ペア:

[(1, 408022990), (2, 204011495), (5, 81604598), (10, 40802299), (23, 17740130), (46, 8870065), (115, 3548026), (137, 2978270), (230, 1774013), (274, 1489135), (529, 771310), (563, 724730), (685, 595654), (1058, 385655), (1126, 362365), (1370, 297827), (2645, 154262), (2815, 144946), (3151, 129490), (5290, 77131), (5630, 72473), (6302, 64745), (12949, 31510), (15755, 25898)]