22809380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 29808220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 521, 796, 995, 1042, 1990, 2084, 2189, 2605, 3980, 4378, 5210, 5731, 8756, 10420, 10945, 11462, 21890, 22924, 28655, 43780, 57310, 103679, 114620, 207358, 414716, 518395, 1036790, 1140469, 2073580, 2280938, 4561876, 5702345, 11404690, 22809380]

約数ペア:

[(1, 22809380), (2, 11404690), (4, 5702345), (5, 4561876), (10, 2280938), (11, 2073580), (20, 1140469), (22, 1036790), (44, 518395), (55, 414716), (110, 207358), (199, 114620), (220, 103679), (398, 57310), (521, 43780), (796, 28655), (995, 22924), (1042, 21890), (1990, 11462), (2084, 10945), (2189, 10420), (2605, 8756), (3980, 5731), (4378, 5210)]