3405500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 8714160

約数和(自身を除く): 5308660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 139, 140, 175, 196, 245, 250, 278, 350, 490, 500, 556, 695, 700, 875, 973, 980, 1225, 1390, 1750, 1946, 2450, 2780, 3475, 3500, 3892, 4865, 4900, 6125, 6811, 6950, 9730, 12250, 13622, 13900, 17375, 19460, 24325, 24500, 27244, 34055, 34750, 48650, 68110, 69500, 97300, 121625, 136220, 170275, 243250, 340550, 486500, 681100, 851375, 1702750, 3405500]

約数ペア:

[(1, 3405500), (2, 1702750), (4, 851375), (5, 681100), (7, 486500), (10, 340550), (14, 243250), (20, 170275), (25, 136220), (28, 121625), (35, 97300), (49, 69500), (50, 68110), (70, 48650), (98, 34750), (100, 34055), (125, 27244), (139, 24500), (140, 24325), (175, 19460), (196, 17375), (245, 13900), (250, 13622), (278, 12250), (350, 9730), (490, 6950), (500, 6811), (556, 6125), (695, 4900), (700, 4865), (875, 3892), (973, 3500), (980, 3475), (1225, 2780), (1390, 2450), (1750, 1946)]