3894620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 8873760

約数和(自身を除く): 4979140

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 277, 370, 380, 554, 703, 740, 1108, 1385, 1406, 2770, 2812, 3515, 5263, 5540, 7030, 10249, 10526, 14060, 20498, 21052, 26315, 40996, 51245, 52630, 102490, 105260, 194731, 204980, 389462, 778924, 973655, 1947310, 3894620]

約数ペア:

[(1, 3894620), (2, 1947310), (4, 973655), (5, 778924), (10, 389462), (19, 204980), (20, 194731), (37, 105260), (38, 102490), (74, 52630), (76, 51245), (95, 40996), (148, 26315), (185, 21052), (190, 20498), (277, 14060), (370, 10526), (380, 10249), (554, 7030), (703, 5540), (740, 5263), (1108, 3515), (1385, 2812), (1406, 2770)]