1281238270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{11719}}^1$

素因数の和:11797

約数の個数: 48

約数和(自身を含む): 2572446240

約数和(自身を除く): 1291207970

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 841, 1682, 1885, 3770, 4205, 8410, 10933, 11719, 21866, 23438, 54665, 58595, 109330, 117190, 152347, 304694, 339851, 679702, 761735, 1523470, 1699255, 3398510, 4418063, 8836126, 9855679, 19711358, 22090315, 44180630, 49278395, 98556790, 128123827, 256247654, 640619135, 1281238270]

約数ペア:

[(1, 1281238270), (2, 640619135), (5, 256247654), (10, 128123827), (13, 98556790), (26, 49278395), (29, 44180630), (58, 22090315), (65, 19711358), (130, 9855679), (145, 8836126), (290, 4418063), (377, 3398510), (754, 1699255), (841, 1523470), (1682, 761735), (1885, 679702), (3770, 339851), (4205, 304694), (8410, 152347), (10933, 117190), (11719, 109330), (21866, 58595), (23438, 54665)]