2080455850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1372

約数の個数: 72

約数和(自身を含む): 4269976704

約数和(自身を除く): 2189520854

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 347, 550, 605, 694, 991, 1210, 1735, 1982, 3025, 3470, 3817, 4955, 6050, 7634, 8675, 9910, 10901, 17350, 19085, 21802, 24775, 38170, 41987, 49550, 54505, 83974, 95425, 109010, 119911, 190850, 209935, 239822, 272525, 343877, 419870, 545050, 599555, 687754, 1049675, 1199110, 1719385, 2099350, 2997775, 3438770, 3782647, 5995550, 7565294, 8596925, 17193850, 18913235, 37826470, 41609117, 83218234, 94566175, 189132350, 208045585, 416091170, 1040227925, 2080455850]

約数ペア:

[(1, 2080455850), (2, 1040227925), (5, 416091170), (10, 208045585), (11, 189132350), (22, 94566175), (25, 83218234), (50, 41609117), (55, 37826470), (110, 18913235), (121, 17193850), (242, 8596925), (275, 7565294), (347, 5995550), (550, 3782647), (605, 3438770), (694, 2997775), (991, 2099350), (1210, 1719385), (1735, 1199110), (1982, 1049675), (3025, 687754), (3470, 599555), (3817, 545050), (4955, 419870), (6050, 343877), (7634, 272525), (8675, 239822), (9910, 209935), (10901, 190850), (17350, 119911), (19085, 109010), (21802, 95425), (24775, 83974), (38170, 54505), (41987, 49550)]