278045388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1163}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 730875600

約数和(自身を除く): 452830212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 229, 261, 348, 458, 522, 687, 916, 1044, 1163, 1374, 2061, 2326, 2748, 3489, 4122, 4652, 6641, 6978, 8244, 10467, 13282, 13956, 19923, 20934, 26564, 33727, 39846, 41868, 59769, 67454, 79692, 101181, 119538, 134908, 202362, 239076, 266327, 303543, 404724, 532654, 607086, 798981, 1065308, 1214172, 1597962, 2396943, 3195924, 4793886, 7723483, 9587772, 15446966, 23170449, 30893932, 46340898, 69511347, 92681796, 139022694, 278045388]

約数ペア:

[(1, 278045388), (2, 139022694), (3, 92681796), (4, 69511347), (6, 46340898), (9, 30893932), (12, 23170449), (18, 15446966), (29, 9587772), (36, 7723483), (58, 4793886), (87, 3195924), (116, 2396943), (174, 1597962), (229, 1214172), (261, 1065308), (348, 798981), (458, 607086), (522, 532654), (687, 404724), (916, 303543), (1044, 266327), (1163, 239076), (1374, 202362), (2061, 134908), (2326, 119538), (2748, 101181), (3489, 79692), (4122, 67454), (4652, 59769), (6641, 41868), (6978, 39846), (8244, 33727), (10467, 26564), (13282, 20934), (13956, 19923)]