28840390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3456

約数の個数: 32

約数和(自身を含む): 55650240

約数和(自身を除く): 26809850

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 3389, 4255, 6778, 8510, 16945, 33890, 77947, 125393, 155894, 250786, 389735, 626965, 779470, 1253930, 2884039, 5768078, 14420195, 28840390]

約数ペア:

[(1, 28840390), (2, 14420195), (5, 5768078), (10, 2884039), (23, 1253930), (37, 779470), (46, 626965), (74, 389735), (115, 250786), (185, 155894), (230, 125393), (370, 77947), (851, 33890), (1702, 16945), (3389, 8510), (4255, 6778)]