127739740

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{36919}}^1$

素因数の和:37101

約数の個数: 24

約数和(自身を含む): 269811360

約数和(自身を除く): 142071620

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 36919, 73838, 147676, 184595, 369190, 738380, 6386987, 12773974, 25547948, 31934935, 63869870, 127739740]

約数ペア:

[(1, 127739740), (2, 63869870), (4, 31934935), (5, 25547948), (10, 12773974), (20, 6386987), (173, 738380), (346, 369190), (692, 184595), (865, 147676), (1730, 73838), (3460, 36919)]