2783201660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{8539}}^1$

素因数の和:8970

約数の個数: 48

約数和(自身を含む): 5997129600

約数和(自身を除く): 3213927940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 379, 430, 758, 860, 1516, 1895, 3790, 7580, 8539, 16297, 17078, 32594, 34156, 42695, 65188, 81485, 85390, 162970, 170780, 325940, 367177, 734354, 1468708, 1835885, 3236281, 3671770, 6472562, 7343540, 12945124, 16181405, 32362810, 64725620, 139160083, 278320166, 556640332, 695800415, 1391600830, 2783201660]

約数ペア:

[(1, 2783201660), (2, 1391600830), (4, 695800415), (5, 556640332), (10, 278320166), (20, 139160083), (43, 64725620), (86, 32362810), (172, 16181405), (215, 12945124), (379, 7343540), (430, 6472562), (758, 3671770), (860, 3236281), (1516, 1835885), (1895, 1468708), (3790, 734354), (7580, 367177), (8539, 325940), (16297, 170780), (17078, 162970), (32594, 85390), (34156, 81485), (42695, 65188)]