1980228770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1049}}^1\times {\mathrm{1117}}^1$

素因数の和:2199

約数の個数: 48

約数和(自身を含む): 3866826600

約数和(自身を除く): 1886597830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1049, 1117, 1690, 2098, 2234, 5245, 5585, 10490, 11170, 13637, 14521, 27274, 29042, 68185, 72605, 136370, 145210, 177281, 188773, 354562, 377546, 886405, 943865, 1171733, 1772810, 1887730, 2343466, 5858665, 11717330, 15232529, 30465058, 76162645, 152325290, 198022877, 396045754, 990114385, 1980228770]

約数ペア:

[(1, 1980228770), (2, 990114385), (5, 396045754), (10, 198022877), (13, 152325290), (26, 76162645), (65, 30465058), (130, 15232529), (169, 11717330), (338, 5858665), (845, 2343466), (1049, 1887730), (1117, 1772810), (1690, 1171733), (2098, 943865), (2234, 886405), (5245, 377546), (5585, 354562), (10490, 188773), (11170, 177281), (13637, 145210), (14521, 136370), (27274, 72605), (29042, 68185)]