3280400

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 8072400

約数和(自身を除く): 4792000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 139, 200, 236, 278, 295, 400, 472, 556, 590, 695, 944, 1112, 1180, 1390, 1475, 2224, 2360, 2780, 2950, 3475, 4720, 5560, 5900, 6950, 8201, 11120, 11800, 13900, 16402, 23600, 27800, 32804, 41005, 55600, 65608, 82010, 131216, 164020, 205025, 328040, 410050, 656080, 820100, 1640200, 3280400]

約数ペア:

[(1, 3280400), (2, 1640200), (4, 820100), (5, 656080), (8, 410050), (10, 328040), (16, 205025), (20, 164020), (25, 131216), (40, 82010), (50, 65608), (59, 55600), (80, 41005), (100, 32804), (118, 27800), (139, 23600), (200, 16402), (236, 13900), (278, 11800), (295, 11120), (400, 8201), (472, 6950), (556, 5900), (590, 5560), (695, 4720), (944, 3475), (1112, 2950), (1180, 2780), (1390, 2360), (1475, 2224)]