123037820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 262918656

約数和(自身を除く): 139880836

約数列:

[1, 2, 4, 5, 10, 20, 131, 151, 262, 302, 311, 524, 604, 622, 655, 755, 1244, 1310, 1510, 1555, 2620, 3020, 3110, 6220, 19781, 39562, 40741, 46961, 79124, 81482, 93922, 98905, 162964, 187844, 197810, 203705, 234805, 395620, 407410, 469610, 814820, 939220, 6151891, 12303782, 24607564, 30759455, 61518910, 123037820]

約数ペア:

[(1, 123037820), (2, 61518910), (4, 30759455), (5, 24607564), (10, 12303782), (20, 6151891), (131, 939220), (151, 814820), (262, 469610), (302, 407410), (311, 395620), (524, 234805), (604, 203705), (622, 197810), (655, 187844), (755, 162964), (1244, 98905), (1310, 93922), (1510, 81482), (1555, 79124), (2620, 46961), (3020, 40741), (3110, 39562), (6220, 19781)]