726795940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{4229}}^1$

素因数の和:4912

約数の個数: 48

約数和(自身を含む): 1646552880

約数和(自身を除く): 919756940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 661, 1322, 2644, 3305, 4229, 6610, 8458, 8593, 13220, 16916, 17186, 21145, 34372, 42290, 42965, 54977, 84580, 85930, 109954, 171860, 219908, 274885, 549770, 1099540, 2795369, 5590738, 11181476, 13976845, 27953690, 36339797, 55907380, 72679594, 145359188, 181698985, 363397970, 726795940]

約数ペア:

[(1, 726795940), (2, 363397970), (4, 181698985), (5, 145359188), (10, 72679594), (13, 55907380), (20, 36339797), (26, 27953690), (52, 13976845), (65, 11181476), (130, 5590738), (260, 2795369), (661, 1099540), (1322, 549770), (2644, 274885), (3305, 219908), (4229, 171860), (6610, 109954), (8458, 85930), (8593, 84580), (13220, 54977), (16916, 42965), (17186, 42290), (21145, 34372)]