149080520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{70321}}^1$

素因数の和:70385

約数の個数: 32

約数和(自身を含む): 341764920

約数和(自身を除く): 192684400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 70321, 140642, 281284, 351605, 562568, 703210, 1406420, 2812840, 3727013, 7454026, 14908052, 18635065, 29816104, 37270130, 74540260, 149080520]

約数ペア:

[(1, 149080520), (2, 74540260), (4, 37270130), (5, 29816104), (8, 18635065), (10, 14908052), (20, 7454026), (40, 3727013), (53, 2812840), (106, 1406420), (212, 703210), (265, 562568), (424, 351605), (530, 281284), (1060, 140642), (2120, 70321)]