74389785

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 130394880

約数和(自身を除く): 56005095

約数列:

[1, 3, 5, 15, 29, 41, 43, 87, 97, 123, 129, 145, 205, 215, 291, 435, 485, 615, 645, 1189, 1247, 1455, 1763, 2813, 3567, 3741, 3977, 4171, 5289, 5945, 6235, 8439, 8815, 11931, 12513, 14065, 17835, 18705, 19885, 20855, 26445, 42195, 51127, 59655, 62565, 115333, 120959, 153381, 171011, 255635, 345999, 362877, 513033, 576665, 604795, 766905, 855055, 1729995, 1814385, 2565165, 4959319, 14877957, 24796595, 74389785]

約数ペア:

[(1, 74389785), (3, 24796595), (5, 14877957), (15, 4959319), (29, 2565165), (41, 1814385), (43, 1729995), (87, 855055), (97, 766905), (123, 604795), (129, 576665), (145, 513033), (205, 362877), (215, 345999), (291, 255635), (435, 171011), (485, 153381), (615, 120959), (645, 115333), (1189, 62565), (1247, 59655), (1455, 51127), (1763, 42195), (2813, 26445), (3567, 20855), (3741, 19885), (3977, 18705), (4171, 17835), (5289, 14065), (5945, 12513), (6235, 11931), (8439, 8815)]