284950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 24

約数和(自身を含む): 546840

約数和(自身を除く): 261890

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 139, 205, 278, 410, 695, 1025, 1390, 2050, 3475, 5699, 6950, 11398, 28495, 56990, 142475, 284950]

約数ペア:

[(1, 284950), (2, 142475), (5, 56990), (10, 28495), (25, 11398), (41, 6950), (50, 5699), (82, 3475), (139, 2050), (205, 1390), (278, 1025), (410, 695)]