1400080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 3731904

約数和(自身を除く): 2331824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 43, 44, 55, 74, 80, 86, 88, 110, 148, 172, 176, 185, 215, 220, 296, 344, 370, 407, 430, 440, 473, 592, 688, 740, 814, 860, 880, 946, 1480, 1591, 1628, 1720, 1892, 2035, 2365, 2960, 3182, 3256, 3440, 3784, 4070, 4730, 6364, 6512, 7568, 7955, 8140, 9460, 12728, 15910, 16280, 17501, 18920, 25456, 31820, 32560, 35002, 37840, 63640, 70004, 87505, 127280, 140008, 175010, 280016, 350020, 700040, 1400080]

約数ペア:

[(1, 1400080), (2, 700040), (4, 350020), (5, 280016), (8, 175010), (10, 140008), (11, 127280), (16, 87505), (20, 70004), (22, 63640), (37, 37840), (40, 35002), (43, 32560), (44, 31820), (55, 25456), (74, 18920), (80, 17501), (86, 16280), (88, 15910), (110, 12728), (148, 9460), (172, 8140), (176, 7955), (185, 7568), (215, 6512), (220, 6364), (296, 4730), (344, 4070), (370, 3784), (407, 3440), (430, 3256), (440, 3182), (473, 2960), (592, 2365), (688, 2035), (740, 1892), (814, 1720), (860, 1628), (880, 1591), (946, 1480)]