74122840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 194529600

約数和(自身を除く): 120406760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 37, 40, 44, 55, 58, 74, 88, 110, 116, 145, 148, 157, 185, 220, 232, 290, 296, 314, 319, 370, 407, 440, 580, 628, 638, 740, 785, 814, 1073, 1160, 1256, 1276, 1480, 1570, 1595, 1628, 1727, 2035, 2146, 2552, 3140, 3190, 3256, 3454, 4070, 4292, 4553, 5365, 5809, 6280, 6380, 6908, 8140, 8584, 8635, 9106, 10730, 11618, 11803, 12760, 13816, 16280, 17270, 18212, 21460, 22765, 23236, 23606, 29045, 34540, 36424, 42920, 45530, 46472, 47212, 50083, 58090, 59015, 63899, 69080, 91060, 94424, 100166, 116180, 118030, 127798, 168461, 182120, 200332, 232360, 236060, 250415, 255596, 319495, 336922, 400664, 472120, 500830, 511192, 638990, 673844, 842305, 1001660, 1277980, 1347688, 1684610, 1853071, 2003320, 2555960, 3369220, 3706142, 6738440, 7412284, 9265355, 14824568, 18530710, 37061420, 74122840]

約数ペア:

[(1, 74122840), (2, 37061420), (4, 18530710), (5, 14824568), (8, 9265355), (10, 7412284), (11, 6738440), (20, 3706142), (22, 3369220), (29, 2555960), (37, 2003320), (40, 1853071), (44, 1684610), (55, 1347688), (58, 1277980), (74, 1001660), (88, 842305), (110, 673844), (116, 638990), (145, 511192), (148, 500830), (157, 472120), (185, 400664), (220, 336922), (232, 319495), (290, 255596), (296, 250415), (314, 236060), (319, 232360), (370, 200332), (407, 182120), (440, 168461), (580, 127798), (628, 118030), (638, 116180), (740, 100166), (785, 94424), (814, 91060), (1073, 69080), (1160, 63899), (1256, 59015), (1276, 58090), (1480, 50083), (1570, 47212), (1595, 46472), (1628, 45530), (1727, 42920), (2035, 36424), (2146, 34540), (2552, 29045), (3140, 23606), (3190, 23236), (3256, 22765), (3454, 21460), (4070, 18212), (4292, 17270), (4553, 16280), (5365, 13816), (5809, 12760), (6280, 11803), (6380, 11618), (6908, 10730), (8140, 9106), (8584, 8635)]