67962020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9907}}^1$

素因数の和:9937

約数の個数: 48

約数和(自身を含む): 166454400

約数和(自身を除く): 98492380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9907, 19814, 39628, 49535, 69349, 99070, 138698, 198140, 277396, 346745, 485443, 693490, 970886, 1386980, 1941772, 2427215, 3398101, 4854430, 6796202, 9708860, 13592404, 16990505, 33981010, 67962020]

約数ペア:

[(1, 67962020), (2, 33981010), (4, 16990505), (5, 13592404), (7, 9708860), (10, 6796202), (14, 4854430), (20, 3398101), (28, 2427215), (35, 1941772), (49, 1386980), (70, 970886), (98, 693490), (140, 485443), (196, 346745), (245, 277396), (343, 198140), (490, 138698), (686, 99070), (980, 69349), (1372, 49535), (1715, 39628), (3430, 19814), (6860, 9907)]