131267080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66973}}^1$

素因数の和:66998

約数の個数: 48

約数和(自身を含む): 343576620

約数和(自身を除く): 212309540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66973, 133946, 267892, 334865, 468811, 535784, 669730, 937622, 1339460, 1875244, 2344055, 2678920, 3281677, 3750488, 4688110, 6563354, 9376220, 13126708, 16408385, 18752440, 26253416, 32816770, 65633540, 131267080]

約数ペア:

[(1, 131267080), (2, 65633540), (4, 32816770), (5, 26253416), (7, 18752440), (8, 16408385), (10, 13126708), (14, 9376220), (20, 6563354), (28, 4688110), (35, 3750488), (40, 3281677), (49, 2678920), (56, 2344055), (70, 1875244), (98, 1339460), (140, 937622), (196, 669730), (245, 535784), (280, 468811), (392, 334865), (490, 267892), (980, 133946), (1960, 66973)]