263674580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{27409}}^1$

素因数の和:27468

約数の個数: 48

約数和(自身を含む): 612449040

約数和(自身を除く): 348774460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 27409, 54818, 109636, 137045, 274090, 356317, 548180, 712634, 1014133, 1425268, 1781585, 2028266, 3563170, 4056532, 5070665, 7126340, 10141330, 13183729, 20282660, 26367458, 52734916, 65918645, 131837290, 263674580]

約数ペア:

[(1, 263674580), (2, 131837290), (4, 65918645), (5, 52734916), (10, 26367458), (13, 20282660), (20, 13183729), (26, 10141330), (37, 7126340), (52, 5070665), (65, 4056532), (74, 3563170), (130, 2028266), (148, 1781585), (185, 1425268), (260, 1014133), (370, 712634), (481, 548180), (740, 356317), (962, 274090), (1924, 137045), (2405, 109636), (4810, 54818), (9620, 27409)]