408024620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{26189}}^1$

素因数の和:26258

約数の個数: 48

約数和(自身を含む): 923983200

約数和(自身を除く): 515958580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 26189, 52378, 104756, 130945, 261890, 497591, 523780, 995182, 1073749, 1990364, 2147498, 2487955, 4294996, 4975910, 5368745, 9951820, 10737490, 20401231, 21474980, 40802462, 81604924, 102006155, 204012310, 408024620]

約数ペア:

[(1, 408024620), (2, 204012310), (4, 102006155), (5, 81604924), (10, 40802462), (19, 21474980), (20, 20401231), (38, 10737490), (41, 9951820), (76, 5368745), (82, 4975910), (95, 4294996), (164, 2487955), (190, 2147498), (205, 1990364), (380, 1073749), (410, 995182), (779, 523780), (820, 497591), (1558, 261890), (3116, 130945), (3895, 104756), (7790, 52378), (15580, 26189)]