700040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 1805760

約数和(自身を除く): 1105720

約数列:

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

約数ペア:

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