209569450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{102229}}^1$

素因数の和:102282

約数の個数: 24

約数和(自身を含む): 399310380

約数和(自身を除く): 189740930

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 102229, 204458, 511145, 1022290, 2555725, 4191389, 5111450, 8382778, 20956945, 41913890, 104784725, 209569450]

約数ペア:

[(1, 209569450), (2, 104784725), (5, 41913890), (10, 20956945), (25, 8382778), (41, 5111450), (50, 4191389), (82, 2555725), (205, 1022290), (410, 511145), (1025, 204458), (2050, 102229)]