220584815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{2447}}^1$

素因数の和:2623

約数の個数: 24

約数和(自身を含む): 293025600

約数和(自身を除く): 72440785

約数列:

[1, 5, 11, 55, 121, 149, 605, 745, 1639, 2447, 8195, 12235, 18029, 26917, 90145, 134585, 296087, 364603, 1480435, 1823015, 4010633, 20053165, 44116963, 220584815]

約数ペア:

[(1, 220584815), (5, 44116963), (11, 20053165), (55, 4010633), (121, 1823015), (149, 1480435), (605, 364603), (745, 296087), (1639, 134585), (2447, 90145), (8195, 26917), (12235, 18029)]