291237380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{6323}}^1$

素因数の和:6393

約数の個数: 72

約数和(自身を含む): 726703488

約数和(自身を除く): 435466108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 4606, 6323, 6580, 9212, 11515, 12646, 23030, 25292, 31615, 44261, 46060, 63230, 88522, 126460, 177044, 221305, 297181, 309827, 442610, 594362, 619654, 885220, 1188724, 1239308, 1485905, 1549135, 2080267, 2971810, 3098270, 4160534, 5943620, 6196540, 8321068, 10401335, 14561869, 20802670, 29123738, 41605340, 58247476, 72809345, 145618690, 291237380]

約数ペア:

[(1, 291237380), (2, 145618690), (4, 72809345), (5, 58247476), (7, 41605340), (10, 29123738), (14, 20802670), (20, 14561869), (28, 10401335), (35, 8321068), (47, 6196540), (49, 5943620), (70, 4160534), (94, 3098270), (98, 2971810), (140, 2080267), (188, 1549135), (196, 1485905), (235, 1239308), (245, 1188724), (329, 885220), (470, 619654), (490, 594362), (658, 442610), (940, 309827), (980, 297181), (1316, 221305), (1645, 177044), (2303, 126460), (3290, 88522), (4606, 63230), (6323, 46060), (6580, 44261), (9212, 31615), (11515, 25292), (12646, 23030)]