1123278940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{2297}}^1$

素因数の和:2819

約数の個数: 72

約数和(自身を含む): 2750706000

約数和(自身を除く): 1627427060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 499, 980, 998, 1996, 2297, 2495, 3493, 4594, 4990, 6986, 9188, 9980, 11485, 13972, 16079, 17465, 22970, 24451, 32158, 34930, 45940, 48902, 64316, 69860, 80395, 97804, 112553, 122255, 160790, 225106, 244510, 321580, 450212, 489020, 562765, 1125530, 1146203, 2251060, 2292406, 4584812, 5731015, 8023421, 11462030, 16046842, 22924060, 32093684, 40117105, 56163947, 80234210, 112327894, 160468420, 224655788, 280819735, 561639470, 1123278940]

約数ペア:

[(1, 1123278940), (2, 561639470), (4, 280819735), (5, 224655788), (7, 160468420), (10, 112327894), (14, 80234210), (20, 56163947), (28, 40117105), (35, 32093684), (49, 22924060), (70, 16046842), (98, 11462030), (140, 8023421), (196, 5731015), (245, 4584812), (490, 2292406), (499, 2251060), (980, 1146203), (998, 1125530), (1996, 562765), (2297, 489020), (2495, 450212), (3493, 321580), (4594, 244510), (4990, 225106), (6986, 160790), (9188, 122255), (9980, 112553), (11485, 97804), (13972, 80395), (16079, 69860), (17465, 64316), (22970, 48902), (24451, 45940), (32158, 34930)]