2012742280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{31627}}^1$

素因数の和:31718

約数の個数: 64

約数和(自身を含む): 4759381440

約数和(自身を除く): 2746639160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 6364, 7955, 12728, 15910, 31627, 31820, 63254, 63640, 126508, 158135, 253016, 316270, 632540, 1170199, 1265080, 1359961, 2340398, 2719922, 4680796, 5439844, 5850995, 6799805, 9361592, 10879688, 11701990, 13599610, 23403980, 27199220, 46807960, 50318557, 54398440, 100637114, 201274228, 251592785, 402548456, 503185570, 1006371140, 2012742280]

約数ペア:

[(1, 2012742280), (2, 1006371140), (4, 503185570), (5, 402548456), (8, 251592785), (10, 201274228), (20, 100637114), (37, 54398440), (40, 50318557), (43, 46807960), (74, 27199220), (86, 23403980), (148, 13599610), (172, 11701990), (185, 10879688), (215, 9361592), (296, 6799805), (344, 5850995), (370, 5439844), (430, 4680796), (740, 2719922), (860, 2340398), (1480, 1359961), (1591, 1265080), (1720, 1170199), (3182, 632540), (6364, 316270), (7955, 253016), (12728, 158135), (15910, 126508), (31627, 63640), (31820, 63254)]