388337320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3391}}^1$

素因数の和:3818

約数の個数: 64

約数和(自身を含む): 1001318400

約数和(自身を除く): 612981080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 818, 1636, 2045, 2863, 3272, 3391, 4090, 5726, 6782, 8180, 11452, 13564, 14315, 16360, 16955, 22904, 23737, 27128, 28630, 33910, 47474, 57260, 67820, 94948, 114520, 118685, 135640, 189896, 237370, 474740, 949480, 1386919, 2773838, 5547676, 6934595, 9708433, 11095352, 13869190, 19416866, 27738380, 38833732, 48542165, 55476760, 77667464, 97084330, 194168660, 388337320]

約数ペア:

[(1, 388337320), (2, 194168660), (4, 97084330), (5, 77667464), (7, 55476760), (8, 48542165), (10, 38833732), (14, 27738380), (20, 19416866), (28, 13869190), (35, 11095352), (40, 9708433), (56, 6934595), (70, 5547676), (140, 2773838), (280, 1386919), (409, 949480), (818, 474740), (1636, 237370), (2045, 189896), (2863, 135640), (3272, 118685), (3391, 114520), (4090, 94948), (5726, 67820), (6782, 57260), (8180, 47474), (11452, 33910), (13564, 28630), (14315, 27128), (16360, 23737), (16955, 22904)]