420199354

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 660743424

約数和(自身を除く): 240544070

約数列:

[1, 2, 43, 61, 86, 122, 173, 346, 463, 926, 2623, 5246, 7439, 10553, 14878, 19909, 21106, 28243, 39818, 56486, 80099, 160198, 453779, 907558, 1214449, 2428898, 3444257, 4886039, 6888514, 9772078, 210099677, 420199354]

約数ペア:

[(1, 420199354), (2, 210099677), (43, 9772078), (61, 6888514), (86, 4886039), (122, 3444257), (173, 2428898), (346, 1214449), (463, 907558), (926, 453779), (2623, 160198), (5246, 80099), (7439, 56486), (10553, 39818), (14878, 28243), (19909, 21106)]