389999230

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{1399}}^1$

素因数の和:1924

約数の個数: 32

約数和(自身を含む): 715579200

約数和(自身を除く): 325579970

約数列:

[1, 2, 5, 10, 61, 122, 305, 457, 610, 914, 1399, 2285, 2798, 4570, 6995, 13990, 27877, 55754, 85339, 139385, 170678, 278770, 426695, 639343, 853390, 1278686, 3196715, 6393430, 38999923, 77999846, 194999615, 389999230]

約数ペア:

[(1, 389999230), (2, 194999615), (5, 77999846), (10, 38999923), (61, 6393430), (122, 3196715), (305, 1278686), (457, 853390), (610, 639343), (914, 426695), (1399, 278770), (2285, 170678), (2798, 139385), (4570, 85339), (6995, 55754), (13990, 27877)]