387993760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 216

約数和(自身を含む): 1174903380

約数和(自身を除く): 786909620

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 224, 242, 245, 280, 308, 352, 385, 392, 409, 440, 484, 490, 539, 560, 605, 616, 770, 784, 818, 847, 880, 968, 980, 1078, 1120, 1210, 1232, 1540, 1568, 1636, 1694, 1760, 1936, 1960, 2045, 2156, 2420, 2464, 2695, 2863, 3080, 3272, 3388, 3872, 3920, 4090, 4235, 4312, 4499, 4840, 5390, 5726, 5929, 6160, 6544, 6776, 7840, 8180, 8470, 8624, 8998, 9680, 10780, 11452, 11858, 12320, 13088, 13552, 14315, 16360, 16940, 17248, 17996, 19360, 20041, 21560, 22495, 22904, 23716, 27104, 28630, 29645, 31493, 32720, 33880, 35992, 40082, 43120, 44990, 45808, 47432, 49489, 57260, 59290, 62986, 65440, 67760, 71984, 80164, 86240, 89980, 91616, 94864, 98978, 100205, 114520, 118580, 125972, 135520, 143968, 157465, 160328, 179960, 189728, 197956, 200410, 220451, 229040, 237160, 247445, 251944, 314930, 320656, 346423, 359920, 395912, 400820, 440902, 458080, 474320, 494890, 503888, 629860, 641312, 692846, 719840, 791824, 801640, 881804, 948640, 989780, 1007776, 1102255, 1259720, 1385692, 1583648, 1603280, 1732115, 1763608, 1979560, 2204510, 2424961, 2519440, 2771384, 3206560, 3464230, 3527216, 3959120, 4409020, 4849922, 5038880, 5542768, 6928460, 7054432, 7918240, 8818040, 9699844, 11085536, 12124805, 13856920, 17636080, 19399688, 24249610, 27713840, 35272160, 38799376, 48499220, 55427680, 77598752, 96998440, 193996880, 387993760]

約数ペア:

[(1, 387993760), (2, 193996880), (4, 96998440), (5, 77598752), (7, 55427680), (8, 48499220), (10, 38799376), (11, 35272160), (14, 27713840), (16, 24249610), (20, 19399688), (22, 17636080), (28, 13856920), (32, 12124805), (35, 11085536), (40, 9699844), (44, 8818040), (49, 7918240), (55, 7054432), (56, 6928460), (70, 5542768), (77, 5038880), (80, 4849922), (88, 4409020), (98, 3959120), (110, 3527216), (112, 3464230), (121, 3206560), (140, 2771384), (154, 2519440), (160, 2424961), (176, 2204510), (196, 1979560), (220, 1763608), (224, 1732115), (242, 1603280), (245, 1583648), (280, 1385692), (308, 1259720), (352, 1102255), (385, 1007776), (392, 989780), (409, 948640), (440, 881804), (484, 801640), (490, 791824), (539, 719840), (560, 692846), (605, 641312), (616, 629860), (770, 503888), (784, 494890), (818, 474320), (847, 458080), (880, 440902), (968, 400820), (980, 395912), (1078, 359920), (1120, 346423), (1210, 320656), (1232, 314930), (1540, 251944), (1568, 247445), (1636, 237160), (1694, 229040), (1760, 220451), (1936, 200410), (1960, 197956), (2045, 189728), (2156, 179960), (2420, 160328), (2464, 157465), (2695, 143968), (2863, 135520), (3080, 125972), (3272, 118580), (3388, 114520), (3872, 100205), (3920, 98978), (4090, 94864), (4235, 91616), (4312, 89980), (4499, 86240), (4840, 80164), (5390, 71984), (5726, 67760), (5929, 65440), (6160, 62986), (6544, 59290), (6776, 57260), (7840, 49489), (8180, 47432), (8470, 45808), (8624, 44990), (8998, 43120), (9680, 40082), (10780, 35992), (11452, 33880), (11858, 32720), (12320, 31493), (13088, 29645), (13552, 28630), (14315, 27104), (16360, 23716), (16940, 22904), (17248, 22495), (17996, 21560), (19360, 20041)]