3455540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 8043840

約数和(自身を除く): 4588300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 139, 220, 226, 278, 452, 556, 565, 695, 1130, 1243, 1390, 1529, 2260, 2486, 2780, 3058, 4972, 6116, 6215, 7645, 12430, 15290, 15707, 24860, 30580, 31414, 62828, 78535, 157070, 172777, 314140, 345554, 691108, 863885, 1727770, 3455540]

約数ペア:

[(1, 3455540), (2, 1727770), (4, 863885), (5, 691108), (10, 345554), (11, 314140), (20, 172777), (22, 157070), (44, 78535), (55, 62828), (110, 31414), (113, 30580), (139, 24860), (220, 15707), (226, 15290), (278, 12430), (452, 7645), (556, 6215), (565, 6116), (695, 4972), (1130, 3058), (1243, 2780), (1390, 2486), (1529, 2260)]