291259210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 590768640

約数和(自身を除く): 299509430

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 139, 215, 278, 430, 443, 473, 695, 886, 946, 1390, 1529, 2215, 2365, 3058, 4430, 4730, 4873, 5977, 7645, 9746, 11954, 15290, 19049, 24365, 29885, 38098, 48730, 59770, 61577, 65747, 95245, 123154, 131494, 190490, 209539, 307885, 328735, 419078, 615770, 657470, 677347, 1047695, 1354694, 2095390, 2647811, 3386735, 5295622, 6773470, 13239055, 26478110, 29125921, 58251842, 145629605, 291259210]

約数ペア:

[(1, 291259210), (2, 145629605), (5, 58251842), (10, 29125921), (11, 26478110), (22, 13239055), (43, 6773470), (55, 5295622), (86, 3386735), (110, 2647811), (139, 2095390), (215, 1354694), (278, 1047695), (430, 677347), (443, 657470), (473, 615770), (695, 419078), (886, 328735), (946, 307885), (1390, 209539), (1529, 190490), (2215, 131494), (2365, 123154), (3058, 95245), (4430, 65747), (4730, 61577), (4873, 59770), (5977, 48730), (7645, 38098), (9746, 29885), (11954, 24365), (15290, 19049)]