190049720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{678749}}^1$

素因数の和:678767

約数の個数: 32

約数和(自身を含む): 488700000

約数和(自身を除く): 298650280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 678749, 1357498, 2714996, 3393745, 4751243, 5429992, 6787490, 9502486, 13574980, 19004972, 23756215, 27149960, 38009944, 47512430, 95024860, 190049720]

約数ペア:

[(1, 190049720), (2, 95024860), (4, 47512430), (5, 38009944), (7, 27149960), (8, 23756215), (10, 19004972), (14, 13574980), (20, 9502486), (28, 6787490), (35, 5429992), (40, 4751243), (56, 3393745), (70, 2714996), (140, 1357498), (280, 678749)]