380378180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 1016875440

約数和(自身を除く): 636497260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 73, 91, 98, 130, 140, 146, 182, 196, 245, 260, 292, 364, 365, 409, 455, 490, 511, 637, 730, 818, 910, 949, 980, 1022, 1274, 1460, 1636, 1820, 1898, 2044, 2045, 2548, 2555, 2863, 3185, 3577, 3796, 4090, 4745, 5110, 5317, 5726, 6370, 6643, 7154, 8180, 9490, 10220, 10634, 11452, 12740, 13286, 14308, 14315, 17885, 18980, 20041, 21268, 26572, 26585, 28630, 29857, 33215, 35770, 37219, 40082, 46501, 53170, 57260, 59714, 66430, 71540, 74438, 80164, 93002, 100205, 106340, 119428, 132860, 148876, 149285, 186004, 186095, 200410, 208999, 232505, 260533, 298570, 372190, 388141, 400820, 417998, 465010, 521066, 597140, 744380, 776282, 835996, 930020, 1042132, 1044995, 1302665, 1462993, 1552564, 1940705, 2089990, 2605330, 2716987, 2925986, 3881410, 4179980, 5210660, 5433974, 5851972, 7314965, 7762820, 10867948, 13584935, 14629930, 19018909, 27169870, 29259860, 38037818, 54339740, 76075636, 95094545, 190189090, 380378180]

約数ペア:

[(1, 380378180), (2, 190189090), (4, 95094545), (5, 76075636), (7, 54339740), (10, 38037818), (13, 29259860), (14, 27169870), (20, 19018909), (26, 14629930), (28, 13584935), (35, 10867948), (49, 7762820), (52, 7314965), (65, 5851972), (70, 5433974), (73, 5210660), (91, 4179980), (98, 3881410), (130, 2925986), (140, 2716987), (146, 2605330), (182, 2089990), (196, 1940705), (245, 1552564), (260, 1462993), (292, 1302665), (364, 1044995), (365, 1042132), (409, 930020), (455, 835996), (490, 776282), (511, 744380), (637, 597140), (730, 521066), (818, 465010), (910, 417998), (949, 400820), (980, 388141), (1022, 372190), (1274, 298570), (1460, 260533), (1636, 232505), (1820, 208999), (1898, 200410), (2044, 186095), (2045, 186004), (2548, 149285), (2555, 148876), (2863, 132860), (3185, 119428), (3577, 106340), (3796, 100205), (4090, 93002), (4745, 80164), (5110, 74438), (5317, 71540), (5726, 66430), (6370, 59714), (6643, 57260), (7154, 53170), (8180, 46501), (9490, 40082), (10220, 37219), (10634, 35770), (11452, 33215), (12740, 29857), (13286, 28630), (14308, 26585), (14315, 26572), (17885, 21268), (18980, 20041)]