2220372020

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 4693801728

約数和(自身を除く): 2473429708

約数列:

[1, 2, 4, 5, 10, 20, 367, 373, 734, 746, 811, 1468, 1492, 1622, 1835, 1865, 3244, 3670, 3730, 4055, 7340, 7460, 8110, 16220, 136891, 273782, 297637, 302503, 547564, 595274, 605006, 684455, 1190548, 1210012, 1368910, 1488185, 1512515, 2737820, 2976370, 3025030, 5952740, 6050060, 111018601, 222037202, 444074404, 555093005, 1110186010, 2220372020]

約数ペア:

[(1, 2220372020), (2, 1110186010), (4, 555093005), (5, 444074404), (10, 222037202), (20, 111018601), (367, 6050060), (373, 5952740), (734, 3025030), (746, 2976370), (811, 2737820), (1468, 1512515), (1492, 1488185), (1622, 1368910), (1835, 1210012), (1865, 1190548), (3244, 684455), (3670, 605006), (3730, 595274), (4055, 547564), (7340, 302503), (7460, 297637), (8110, 273782), (16220, 136891)]