8898940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 19706400

約数和(自身を除く): 10807460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 229, 268, 290, 335, 458, 580, 670, 916, 1145, 1340, 1943, 2290, 3886, 4580, 6641, 7772, 9715, 13282, 15343, 19430, 26564, 30686, 33205, 38860, 61372, 66410, 76715, 132820, 153430, 306860, 444947, 889894, 1779788, 2224735, 4449470, 8898940]

約数ペア:

[(1, 8898940), (2, 4449470), (4, 2224735), (5, 1779788), (10, 889894), (20, 444947), (29, 306860), (58, 153430), (67, 132820), (116, 76715), (134, 66410), (145, 61372), (229, 38860), (268, 33205), (290, 30686), (335, 26564), (458, 19430), (580, 15343), (670, 13282), (916, 9715), (1145, 7772), (1340, 6641), (1943, 4580), (2290, 3886)]