2856815920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{12473}}^1$

素因数の和:12902

約数の個数: 80

約数和(自身を含む): 7610137920

約数和(自身を除く): 4753322000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 409, 560, 818, 1636, 2045, 2863, 3272, 4090, 5726, 6544, 8180, 11452, 12473, 14315, 16360, 22904, 24946, 28630, 32720, 45808, 49892, 57260, 62365, 87311, 99784, 114520, 124730, 174622, 199568, 229040, 249460, 349244, 436555, 498920, 698488, 873110, 997840, 1396976, 1746220, 3492440, 5101457, 6984880, 10202914, 20405828, 25507285, 35710199, 40811656, 51014570, 71420398, 81623312, 102029140, 142840796, 178550995, 204058280, 285681592, 357101990, 408116560, 571363184, 714203980, 1428407960, 2856815920]

約数ペア:

[(1, 2856815920), (2, 1428407960), (4, 714203980), (5, 571363184), (7, 408116560), (8, 357101990), (10, 285681592), (14, 204058280), (16, 178550995), (20, 142840796), (28, 102029140), (35, 81623312), (40, 71420398), (56, 51014570), (70, 40811656), (80, 35710199), (112, 25507285), (140, 20405828), (280, 10202914), (409, 6984880), (560, 5101457), (818, 3492440), (1636, 1746220), (2045, 1396976), (2863, 997840), (3272, 873110), (4090, 698488), (5726, 498920), (6544, 436555), (8180, 349244), (11452, 249460), (12473, 229040), (14315, 199568), (16360, 174622), (22904, 124730), (24946, 114520), (28630, 99784), (32720, 87311), (45808, 62365), (49892, 57260)]