154591780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{16481}}^1$

素因数の和:16564

約数の個数: 48

約数和(自身を含む): 376580736

約数和(自身を除く): 221988956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 16481, 32962, 65924, 82405, 115367, 164810, 230734, 329620, 461468, 576835, 1104227, 1153670, 2208454, 2307340, 4416908, 5521135, 7729589, 11042270, 15459178, 22084540, 30918356, 38647945, 77295890, 154591780]

約数ペア:

[(1, 154591780), (2, 77295890), (4, 38647945), (5, 30918356), (7, 22084540), (10, 15459178), (14, 11042270), (20, 7729589), (28, 5521135), (35, 4416908), (67, 2307340), (70, 2208454), (134, 1153670), (140, 1104227), (268, 576835), (335, 461468), (469, 329620), (670, 230734), (938, 164810), (1340, 115367), (1876, 82405), (2345, 65924), (4690, 32962), (9380, 16481)]