7886556040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{1789}}^1$

素因数の和:2087

約数の個数: 128

約数和(自身を含む): 19904227200

約数和(自身を除く): 12017671160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 233, 344, 430, 440, 466, 473, 860, 932, 946, 1165, 1720, 1789, 1864, 1892, 2330, 2365, 2563, 3578, 3784, 4660, 4730, 5126, 7156, 8945, 9320, 9460, 10019, 10252, 12815, 14312, 17890, 18920, 19679, 20038, 20504, 25630, 35780, 39358, 40076, 50095, 51260, 71560, 76927, 78716, 80152, 98395, 100190, 102520, 110209, 153854, 157432, 196790, 200380, 220418, 307708, 384635, 393580, 400760, 416837, 440836, 551045, 615416, 769270, 787160, 833674, 846197, 881672, 1102090, 1538540, 1667348, 1692394, 2084185, 2204180, 3077080, 3334696, 3384788, 4168370, 4230985, 4408360, 4585207, 6769576, 8336740, 8461970, 9170414, 16673480, 16923940, 17923991, 18340828, 22926035, 33847880, 35847982, 36681656, 45852070, 71695964, 89619955, 91704140, 143391928, 179239910, 183408280, 197163901, 358479820, 394327802, 716959640, 788655604, 985819505, 1577311208, 1971639010, 3943278020, 7886556040]

約数ペア:

[(1, 7886556040), (2, 3943278020), (4, 1971639010), (5, 1577311208), (8, 985819505), (10, 788655604), (11, 716959640), (20, 394327802), (22, 358479820), (40, 197163901), (43, 183408280), (44, 179239910), (55, 143391928), (86, 91704140), (88, 89619955), (110, 71695964), (172, 45852070), (215, 36681656), (220, 35847982), (233, 33847880), (344, 22926035), (430, 18340828), (440, 17923991), (466, 16923940), (473, 16673480), (860, 9170414), (932, 8461970), (946, 8336740), (1165, 6769576), (1720, 4585207), (1789, 4408360), (1864, 4230985), (1892, 4168370), (2330, 3384788), (2365, 3334696), (2563, 3077080), (3578, 2204180), (3784, 2084185), (4660, 1692394), (4730, 1667348), (5126, 1538540), (7156, 1102090), (8945, 881672), (9320, 846197), (9460, 833674), (10019, 787160), (10252, 769270), (12815, 615416), (14312, 551045), (17890, 440836), (18920, 416837), (19679, 400760), (20038, 393580), (20504, 384635), (25630, 307708), (35780, 220418), (39358, 200380), (40076, 196790), (50095, 157432), (51260, 153854), (71560, 110209), (76927, 102520), (78716, 100190), (80152, 98395)]