127977820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{1061}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 277972128

約数和(自身を除く): 149994308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 163, 185, 326, 370, 652, 740, 815, 1061, 1630, 2122, 3260, 4244, 5305, 6031, 10610, 12062, 21220, 24124, 30155, 39257, 60310, 78514, 120620, 157028, 172943, 196285, 345886, 392570, 691772, 785140, 864715, 1729430, 3458860, 6398891, 12797782, 25595564, 31994455, 63988910, 127977820]

約数ペア:

[(1, 127977820), (2, 63988910), (4, 31994455), (5, 25595564), (10, 12797782), (20, 6398891), (37, 3458860), (74, 1729430), (148, 864715), (163, 785140), (185, 691772), (326, 392570), (370, 345886), (652, 196285), (740, 172943), (815, 157028), (1061, 120620), (1630, 78514), (2122, 60310), (3260, 39257), (4244, 30155), (5305, 24124), (6031, 21220), (10610, 12062)]