178335940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1151}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 383975424

約数和(自身を除く): 205639484

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 1151, 1220, 1270, 2302, 2540, 4604, 5755, 7747, 11510, 15494, 23020, 30988, 38735, 70211, 77470, 140422, 146177, 154940, 280844, 292354, 351055, 584708, 702110, 730885, 1404220, 1461770, 2923540, 8916797, 17833594, 35667188, 44583985, 89167970, 178335940]

約数ペア:

[(1, 178335940), (2, 89167970), (4, 44583985), (5, 35667188), (10, 17833594), (20, 8916797), (61, 2923540), (122, 1461770), (127, 1404220), (244, 730885), (254, 702110), (305, 584708), (508, 351055), (610, 292354), (635, 280844), (1151, 154940), (1220, 146177), (1270, 140422), (2302, 77470), (2540, 70211), (4604, 38735), (5755, 30988), (7747, 23020), (11510, 15494)]