161867750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{5351}}^1$

素因数の和:5390

約数の個数: 48

約数和(自身を含む): 333129888

約数和(自身を除く): 171262138

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 275, 550, 605, 1210, 1375, 2750, 3025, 5351, 6050, 10702, 15125, 26755, 30250, 53510, 58861, 117722, 133775, 267550, 294305, 588610, 647471, 668875, 1294942, 1337750, 1471525, 2943050, 3237355, 6474710, 7357625, 14715250, 16186775, 32373550, 80933875, 161867750]

約数ペア:

[(1, 161867750), (2, 80933875), (5, 32373550), (10, 16186775), (11, 14715250), (22, 7357625), (25, 6474710), (50, 3237355), (55, 2943050), (110, 1471525), (121, 1337750), (125, 1294942), (242, 668875), (250, 647471), (275, 588610), (550, 294305), (605, 267550), (1210, 133775), (1375, 117722), (2750, 58861), (3025, 53510), (5351, 30250), (6050, 26755), (10702, 15125)]