122139460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 261136512

約数和(自身を除く): 138997052

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 211, 281, 412, 422, 515, 562, 844, 1030, 1055, 1124, 1405, 2060, 2110, 2810, 4220, 5620, 21733, 28943, 43466, 57886, 59291, 86932, 108665, 115772, 118582, 144715, 217330, 237164, 289430, 296455, 434660, 578860, 592910, 1185820, 6106973, 12213946, 24427892, 30534865, 61069730, 122139460]

約数ペア:

[(1, 122139460), (2, 61069730), (4, 30534865), (5, 24427892), (10, 12213946), (20, 6106973), (103, 1185820), (206, 592910), (211, 578860), (281, 434660), (412, 296455), (422, 289430), (515, 237164), (562, 217330), (844, 144715), (1030, 118582), (1055, 115772), (1124, 108665), (1405, 86932), (2060, 59291), (2110, 57886), (2810, 43466), (4220, 28943), (5620, 21733)]