49702840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 130014720

約数和(自身を除く): 80311880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 43, 44, 55, 71, 74, 86, 88, 110, 142, 148, 172, 185, 215, 220, 284, 296, 344, 355, 370, 407, 430, 440, 473, 568, 710, 740, 781, 814, 860, 946, 1420, 1480, 1562, 1591, 1628, 1720, 1892, 2035, 2365, 2627, 2840, 3053, 3124, 3182, 3256, 3784, 3905, 4070, 4730, 5254, 6106, 6248, 6364, 7810, 7955, 8140, 9460, 10508, 12212, 12728, 13135, 15265, 15620, 15910, 16280, 17501, 18920, 21016, 24424, 26270, 28897, 30530, 31240, 31820, 33583, 35002, 52540, 57794, 61060, 63640, 67166, 70004, 87505, 105080, 112961, 115588, 122120, 134332, 140008, 144485, 167915, 175010, 225922, 231176, 268664, 288970, 335830, 350020, 451844, 564805, 577940, 671660, 700040, 903688, 1129610, 1155880, 1242571, 1343320, 2259220, 2485142, 4518440, 4970284, 6212855, 9940568, 12425710, 24851420, 49702840]

約数ペア:

[(1, 49702840), (2, 24851420), (4, 12425710), (5, 9940568), (8, 6212855), (10, 4970284), (11, 4518440), (20, 2485142), (22, 2259220), (37, 1343320), (40, 1242571), (43, 1155880), (44, 1129610), (55, 903688), (71, 700040), (74, 671660), (86, 577940), (88, 564805), (110, 451844), (142, 350020), (148, 335830), (172, 288970), (185, 268664), (215, 231176), (220, 225922), (284, 175010), (296, 167915), (344, 144485), (355, 140008), (370, 134332), (407, 122120), (430, 115588), (440, 112961), (473, 105080), (568, 87505), (710, 70004), (740, 67166), (781, 63640), (814, 61060), (860, 57794), (946, 52540), (1420, 35002), (1480, 33583), (1562, 31820), (1591, 31240), (1628, 30530), (1720, 28897), (1892, 26270), (2035, 24424), (2365, 21016), (2627, 18920), (2840, 17501), (3053, 16280), (3124, 15910), (3182, 15620), (3256, 15265), (3784, 13135), (3905, 12728), (4070, 12212), (4730, 10508), (5254, 9460), (6106, 8140), (6248, 7955), (6364, 7810)]