40398820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 108783360

約数和(自身を除く): 68384540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 709, 740, 770, 814, 1036, 1295, 1418, 1540, 1628, 2035, 2590, 2836, 2849, 3545, 4070, 4963, 5180, 5698, 7090, 7799, 8140, 9926, 11396, 14180, 14245, 15598, 19852, 24815, 26233, 28490, 31196, 38995, 49630, 52466, 54593, 56980, 77990, 99260, 104932, 109186, 131165, 155980, 183631, 218372, 262330, 272965, 288563, 367262, 524660, 545930, 577126, 734524, 918155, 1091860, 1154252, 1442815, 1836310, 2019941, 2885630, 3672620, 4039882, 5771260, 8079764, 10099705, 20199410, 40398820]

約数ペア:

[(1, 40398820), (2, 20199410), (4, 10099705), (5, 8079764), (7, 5771260), (10, 4039882), (11, 3672620), (14, 2885630), (20, 2019941), (22, 1836310), (28, 1442815), (35, 1154252), (37, 1091860), (44, 918155), (55, 734524), (70, 577126), (74, 545930), (77, 524660), (110, 367262), (140, 288563), (148, 272965), (154, 262330), (185, 218372), (220, 183631), (259, 155980), (308, 131165), (370, 109186), (385, 104932), (407, 99260), (518, 77990), (709, 56980), (740, 54593), (770, 52466), (814, 49630), (1036, 38995), (1295, 31196), (1418, 28490), (1540, 26233), (1628, 24815), (2035, 19852), (2590, 15598), (2836, 14245), (2849, 14180), (3545, 11396), (4070, 9926), (4963, 8140), (5180, 7799), (5698, 7090)]