7000400

素因数分解:

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

素因数の和:109

約数の個数: 120

約数和(自身を含む): 19281504

約数和(自身を除く): 12281104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 37, 40, 43, 44, 50, 55, 74, 80, 86, 88, 100, 110, 148, 172, 176, 185, 200, 215, 220, 275, 296, 344, 370, 400, 407, 430, 440, 473, 550, 592, 688, 740, 814, 860, 880, 925, 946, 1075, 1100, 1480, 1591, 1628, 1720, 1850, 1892, 2035, 2150, 2200, 2365, 2960, 3182, 3256, 3440, 3700, 3784, 4070, 4300, 4400, 4730, 6364, 6512, 7400, 7568, 7955, 8140, 8600, 9460, 10175, 11825, 12728, 14800, 15910, 16280, 17200, 17501, 18920, 20350, 23650, 25456, 31820, 32560, 35002, 37840, 39775, 40700, 47300, 63640, 70004, 79550, 81400, 87505, 94600, 127280, 140008, 159100, 162800, 175010, 189200, 280016, 318200, 350020, 437525, 636400, 700040, 875050, 1400080, 1750100, 3500200, 7000400]

約数ペア:

[(1, 7000400), (2, 3500200), (4, 1750100), (5, 1400080), (8, 875050), (10, 700040), (11, 636400), (16, 437525), (20, 350020), (22, 318200), (25, 280016), (37, 189200), (40, 175010), (43, 162800), (44, 159100), (50, 140008), (55, 127280), (74, 94600), (80, 87505), (86, 81400), (88, 79550), (100, 70004), (110, 63640), (148, 47300), (172, 40700), (176, 39775), (185, 37840), (200, 35002), (215, 32560), (220, 31820), (275, 25456), (296, 23650), (344, 20350), (370, 18920), (400, 17501), (407, 17200), (430, 16280), (440, 15910), (473, 14800), (550, 12728), (592, 11825), (688, 10175), (740, 9460), (814, 8600), (860, 8140), (880, 7955), (925, 7568), (946, 7400), (1075, 6512), (1100, 6364), (1480, 4730), (1591, 4400), (1628, 4300), (1720, 4070), (1850, 3784), (1892, 3700), (2035, 3440), (2150, 3256), (2200, 3182), (2365, 2960)]