2857880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 6607440

約数和(自身を除く): 3749560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1931, 3862, 7724, 9655, 15448, 19310, 38620, 71447, 77240, 142894, 285788, 357235, 571576, 714470, 1428940, 2857880]

約数ペア:

[(1, 2857880), (2, 1428940), (4, 714470), (5, 571576), (8, 357235), (10, 285788), (20, 142894), (37, 77240), (40, 71447), (74, 38620), (148, 19310), (185, 15448), (296, 9655), (370, 7724), (740, 3862), (1480, 1931)]