420210878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1123}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 682492800

約数和(自身を除く): 262281922

約数列:

[1, 2, 19, 38, 43, 86, 229, 458, 817, 1123, 1634, 2246, 4351, 8702, 9847, 19694, 21337, 42674, 48289, 96578, 187093, 257167, 374186, 514334, 917491, 1834982, 4886173, 9772346, 11058181, 22116362, 210105439, 420210878]

約数ペア:

[(1, 420210878), (2, 210105439), (19, 22116362), (38, 11058181), (43, 9772346), (86, 4886173), (229, 1834982), (458, 917491), (817, 514334), (1123, 374186), (1634, 257167), (2246, 187093), (4351, 96578), (8702, 48289), (9847, 42674), (19694, 21337)]