201639350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 411442416

約数和(自身を除く): 209803066

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 197, 275, 394, 550, 985, 1861, 1970, 2167, 3722, 4334, 4925, 9305, 9850, 10835, 18610, 20471, 21670, 40942, 46525, 54175, 93050, 102355, 108350, 204710, 366617, 511775, 733234, 1023550, 1833085, 3666170, 4032787, 8065574, 9165425, 18330850, 20163935, 40327870, 100819675, 201639350]

約数ペア:

[(1, 201639350), (2, 100819675), (5, 40327870), (10, 20163935), (11, 18330850), (22, 9165425), (25, 8065574), (50, 4032787), (55, 3666170), (110, 1833085), (197, 1023550), (275, 733234), (394, 511775), (550, 366617), (985, 204710), (1861, 108350), (1970, 102355), (2167, 93050), (3722, 54175), (4334, 46525), (4925, 40942), (9305, 21670), (9850, 20471), (10835, 18610)]