153996820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{2803}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 336345408

約数和(自身を除く): 182348588

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 670, 820, 1340, 2747, 2803, 5494, 5606, 10988, 11212, 13735, 14015, 27470, 28030, 54940, 56060, 114923, 187801, 229846, 375602, 459692, 574615, 751204, 939005, 1149230, 1878010, 2298460, 3756020, 7699841, 15399682, 30799364, 38499205, 76998410, 153996820]

約数ペア:

[(1, 153996820), (2, 76998410), (4, 38499205), (5, 30799364), (10, 15399682), (20, 7699841), (41, 3756020), (67, 2298460), (82, 1878010), (134, 1149230), (164, 939005), (205, 751204), (268, 574615), (335, 459692), (410, 375602), (670, 229846), (820, 187801), (1340, 114923), (2747, 56060), (2803, 54940), (5494, 28030), (5606, 27470), (10988, 14015), (11212, 13735)]