2638460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 6168960

約数和(自身を除く): 3530500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 179, 220, 268, 335, 358, 670, 716, 737, 895, 1340, 1474, 1790, 1969, 2948, 3580, 3685, 3938, 7370, 7876, 9845, 11993, 14740, 19690, 23986, 39380, 47972, 59965, 119930, 131923, 239860, 263846, 527692, 659615, 1319230, 2638460]

約数ペア:

[(1, 2638460), (2, 1319230), (4, 659615), (5, 527692), (10, 263846), (11, 239860), (20, 131923), (22, 119930), (44, 59965), (55, 47972), (67, 39380), (110, 23986), (134, 19690), (179, 14740), (220, 11993), (268, 9845), (335, 7876), (358, 7370), (670, 3938), (716, 3685), (737, 3580), (895, 2948), (1340, 1969), (1474, 1790)]