682480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 1674000

約数和(自身を除く): 991520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 449, 760, 898, 1520, 1796, 2245, 3592, 4490, 7184, 8531, 8980, 17062, 17960, 34124, 35920, 42655, 68248, 85310, 136496, 170620, 341240, 682480]

約数ペア:

[(1, 682480), (2, 341240), (4, 170620), (5, 136496), (8, 85310), (10, 68248), (16, 42655), (19, 35920), (20, 34124), (38, 17960), (40, 17062), (76, 8980), (80, 8531), (95, 7184), (152, 4490), (190, 3592), (304, 2245), (380, 1796), (449, 1520), (760, 898)]