291566380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 725630976

約数和(自身を除く): 434064596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 73, 94, 140, 146, 188, 235, 292, 329, 365, 470, 511, 607, 658, 730, 940, 1022, 1214, 1316, 1460, 1645, 2044, 2428, 2555, 3035, 3290, 3431, 4249, 5110, 6070, 6580, 6862, 8498, 10220, 12140, 13724, 16996, 17155, 21245, 24017, 28529, 34310, 42490, 44311, 48034, 57058, 68620, 84980, 88622, 96068, 114116, 120085, 142645, 177244, 199703, 221555, 240170, 285290, 310177, 399406, 443110, 480340, 570580, 620354, 798812, 886220, 998515, 1240708, 1550885, 1997030, 2082617, 3101770, 3994060, 4165234, 6203540, 8330468, 10413085, 14578319, 20826170, 29156638, 41652340, 58313276, 72891595, 145783190, 291566380]

約数ペア:

[(1, 291566380), (2, 145783190), (4, 72891595), (5, 58313276), (7, 41652340), (10, 29156638), (14, 20826170), (20, 14578319), (28, 10413085), (35, 8330468), (47, 6203540), (70, 4165234), (73, 3994060), (94, 3101770), (140, 2082617), (146, 1997030), (188, 1550885), (235, 1240708), (292, 998515), (329, 886220), (365, 798812), (470, 620354), (511, 570580), (607, 480340), (658, 443110), (730, 399406), (940, 310177), (1022, 285290), (1214, 240170), (1316, 221555), (1460, 199703), (1645, 177244), (2044, 142645), (2428, 120085), (2555, 114116), (3035, 96068), (3290, 88622), (3431, 84980), (4249, 68620), (5110, 57058), (6070, 48034), (6580, 44311), (6862, 42490), (8498, 34310), (10220, 28529), (12140, 24017), (13724, 21245), (16996, 17155)]