4989740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 12398400

約数和(自身を除く): 7408660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1229, 2030, 2458, 4060, 4916, 6145, 8603, 12290, 17206, 24580, 34412, 35641, 43015, 71282, 86030, 142564, 172060, 178205, 249487, 356410, 498974, 712820, 997948, 1247435, 2494870, 4989740]

約数ペア:

[(1, 4989740), (2, 2494870), (4, 1247435), (5, 997948), (7, 712820), (10, 498974), (14, 356410), (20, 249487), (28, 178205), (29, 172060), (35, 142564), (58, 86030), (70, 71282), (116, 43015), (140, 35641), (145, 34412), (203, 24580), (290, 17206), (406, 12290), (580, 8603), (812, 6145), (1015, 4916), (1229, 4060), (2030, 2458)]