221213540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{1427}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 486525312

約数和(自身を除く): 265311772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 337, 460, 674, 1348, 1427, 1685, 2854, 3370, 5708, 6740, 7135, 7751, 14270, 15502, 28540, 31004, 32821, 38755, 65642, 77510, 131284, 155020, 164105, 328210, 480899, 656420, 961798, 1923596, 2404495, 4808990, 9617980, 11060677, 22121354, 44242708, 55303385, 110606770, 221213540]

約数ペア:

[(1, 221213540), (2, 110606770), (4, 55303385), (5, 44242708), (10, 22121354), (20, 11060677), (23, 9617980), (46, 4808990), (92, 2404495), (115, 1923596), (230, 961798), (337, 656420), (460, 480899), (674, 328210), (1348, 164105), (1427, 155020), (1685, 131284), (2854, 77510), (3370, 65642), (5708, 38755), (6740, 32821), (7135, 31004), (7751, 28540), (14270, 15502)]