291722984

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 685670400

約数和(自身を除く): 393947416

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 47, 56, 61, 79, 92, 94, 122, 158, 161, 184, 188, 244, 316, 322, 329, 376, 427, 488, 553, 632, 644, 658, 854, 1081, 1106, 1288, 1316, 1403, 1708, 1817, 2162, 2212, 2632, 2806, 2867, 3416, 3634, 3713, 4324, 4424, 4819, 5612, 5734, 7268, 7426, 7567, 8648, 9638, 9821, 11224, 11468, 12719, 14536, 14852, 15134, 19276, 19642, 20069, 22936, 25438, 25991, 29704, 30268, 33733, 38552, 39284, 40138, 50876, 51982, 60536, 65941, 67466, 78568, 80276, 85399, 101752, 103964, 110837, 131882, 134932, 160552, 170798, 207928, 221674, 226493, 263764, 269864, 341596, 443348, 452986, 461587, 527528, 597793, 683192, 775859, 886696, 905972, 923174, 1195586, 1551718, 1585451, 1811944, 1846348, 2391172, 3103436, 3170902, 3692696, 4782344, 5209339, 6206872, 6341804, 10418678, 12683608, 20837356, 36465373, 41674712, 72930746, 145861492, 291722984]

約数ペア:

[(1, 291722984), (2, 145861492), (4, 72930746), (7, 41674712), (8, 36465373), (14, 20837356), (23, 12683608), (28, 10418678), (46, 6341804), (47, 6206872), (56, 5209339), (61, 4782344), (79, 3692696), (92, 3170902), (94, 3103436), (122, 2391172), (158, 1846348), (161, 1811944), (184, 1585451), (188, 1551718), (244, 1195586), (316, 923174), (322, 905972), (329, 886696), (376, 775859), (427, 683192), (488, 597793), (553, 527528), (632, 461587), (644, 452986), (658, 443348), (854, 341596), (1081, 269864), (1106, 263764), (1288, 226493), (1316, 221674), (1403, 207928), (1708, 170798), (1817, 160552), (2162, 134932), (2212, 131882), (2632, 110837), (2806, 103964), (2867, 101752), (3416, 85399), (3634, 80276), (3713, 78568), (4324, 67466), (4424, 65941), (4819, 60536), (5612, 51982), (5734, 50876), (7268, 40138), (7426, 39284), (7567, 38552), (8648, 33733), (9638, 30268), (9821, 29704), (11224, 25991), (11468, 25438), (12719, 22936), (14536, 20069), (14852, 19642), (15134, 19276)]