140847080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{320107}}^1$

素因数の和:320129

約数の個数: 32

約数和(自身を含む): 345716640

約数和(自身を除く): 204869560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 320107, 640214, 1280428, 1600535, 2560856, 3201070, 3521177, 6402140, 7042354, 12804280, 14084708, 17605885, 28169416, 35211770, 70423540, 140847080]

約数ペア:

[(1, 140847080), (2, 70423540), (4, 35211770), (5, 28169416), (8, 17605885), (10, 14084708), (11, 12804280), (20, 7042354), (22, 6402140), (40, 3521177), (44, 3201070), (55, 2560856), (88, 1600535), (110, 1280428), (220, 640214), (440, 320107)]