380989840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:645

約数の個数: 160

約数和(自身を含む): 1115357184

約数和(自身を除く): 734367344

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 127, 140, 154, 176, 220, 254, 280, 308, 385, 440, 487, 508, 560, 616, 635, 770, 880, 889, 974, 1016, 1232, 1270, 1397, 1540, 1778, 1948, 2032, 2435, 2540, 2794, 3080, 3409, 3556, 3896, 4445, 4870, 5080, 5357, 5588, 6160, 6818, 6985, 7112, 7792, 8890, 9740, 9779, 10160, 10714, 11176, 13636, 13970, 14224, 17045, 17780, 19480, 19558, 21428, 22352, 26785, 27272, 27940, 34090, 35560, 37499, 38960, 39116, 42856, 48895, 53570, 54544, 55880, 61849, 68180, 71120, 74998, 78232, 85712, 97790, 107140, 111760, 123698, 136360, 149996, 156464, 187495, 195580, 214280, 247396, 272720, 299992, 309245, 374990, 391160, 428560, 432943, 494792, 599984, 618490, 680339, 749980, 782320, 865886, 989584, 1236980, 1360678, 1499960, 1731772, 2164715, 2473960, 2721356, 2999920, 3401695, 3463544, 4329430, 4762373, 4947920, 5442712, 6803390, 6927088, 8658860, 9524746, 10885424, 13606780, 17317720, 19049492, 23811865, 27213560, 34635440, 38098984, 47623730, 54427120, 76197968, 95247460, 190494920, 380989840]

約数ペア:

[(1, 380989840), (2, 190494920), (4, 95247460), (5, 76197968), (7, 54427120), (8, 47623730), (10, 38098984), (11, 34635440), (14, 27213560), (16, 23811865), (20, 19049492), (22, 17317720), (28, 13606780), (35, 10885424), (40, 9524746), (44, 8658860), (55, 6927088), (56, 6803390), (70, 5442712), (77, 4947920), (80, 4762373), (88, 4329430), (110, 3463544), (112, 3401695), (127, 2999920), (140, 2721356), (154, 2473960), (176, 2164715), (220, 1731772), (254, 1499960), (280, 1360678), (308, 1236980), (385, 989584), (440, 865886), (487, 782320), (508, 749980), (560, 680339), (616, 618490), (635, 599984), (770, 494792), (880, 432943), (889, 428560), (974, 391160), (1016, 374990), (1232, 309245), (1270, 299992), (1397, 272720), (1540, 247396), (1778, 214280), (1948, 195580), (2032, 187495), (2435, 156464), (2540, 149996), (2794, 136360), (3080, 123698), (3409, 111760), (3556, 107140), (3896, 97790), (4445, 85712), (4870, 78232), (5080, 74998), (5357, 71120), (5588, 68180), (6160, 61849), (6818, 55880), (6985, 54544), (7112, 53570), (7792, 48895), (8890, 42856), (9740, 39116), (9779, 38960), (10160, 37499), (10714, 35560), (11176, 34090), (13636, 27940), (13970, 27272), (14224, 26785), (17045, 22352), (17780, 21428), (19480, 19558)]