280805728

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2064

約数の個数: 96

約数和(自身を含む): 687403584

約数和(自身を除く): 406597856

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 56, 68, 74, 112, 119, 136, 148, 224, 238, 259, 272, 296, 476, 518, 544, 592, 629, 952, 1036, 1184, 1258, 1904, 1993, 2072, 2516, 3808, 3986, 4144, 4403, 5032, 7972, 8288, 8806, 10064, 13951, 15944, 17612, 20128, 27902, 31888, 33881, 35224, 55804, 63776, 67762, 70448, 73741, 111608, 135524, 140896, 147482, 223216, 237167, 271048, 294964, 446432, 474334, 516187, 542096, 589928, 948668, 1032374, 1084192, 1179856, 1253597, 1897336, 2064748, 2359712, 2507194, 3794672, 4129496, 5014388, 7589344, 8258992, 8775179, 10028776, 16517984, 17550358, 20057552, 35100716, 40115104, 70201432, 140402864, 280805728]

約数ペア:

[(1, 280805728), (2, 140402864), (4, 70201432), (7, 40115104), (8, 35100716), (14, 20057552), (16, 17550358), (17, 16517984), (28, 10028776), (32, 8775179), (34, 8258992), (37, 7589344), (56, 5014388), (68, 4129496), (74, 3794672), (112, 2507194), (119, 2359712), (136, 2064748), (148, 1897336), (224, 1253597), (238, 1179856), (259, 1084192), (272, 1032374), (296, 948668), (476, 589928), (518, 542096), (544, 516187), (592, 474334), (629, 446432), (952, 294964), (1036, 271048), (1184, 237167), (1258, 223216), (1904, 147482), (1993, 140896), (2072, 135524), (2516, 111608), (3808, 73741), (3986, 70448), (4144, 67762), (4403, 63776), (5032, 55804), (7972, 35224), (8288, 33881), (8806, 31888), (10064, 27902), (13951, 20128), (15944, 17612)]