268579990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{23539}}^1$

素因数の和:23716

約数の個数: 32

約数和(自身を含む): 555920640

約数和(自身を除く): 287340650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 11410, 23539, 47078, 117695, 164773, 235390, 329546, 823865, 1647730, 3836857, 7673714, 19184285, 26857999, 38368570, 53715998, 134289995, 268579990]

約数ペア:

[(1, 268579990), (2, 134289995), (5, 53715998), (7, 38368570), (10, 26857999), (14, 19184285), (35, 7673714), (70, 3836857), (163, 1647730), (326, 823865), (815, 329546), (1141, 235390), (1630, 164773), (2282, 117695), (5705, 47078), (11410, 23539)]