978460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 2439360

約数和(自身を除く): 1460900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 241, 290, 406, 482, 580, 812, 964, 1015, 1205, 1687, 2030, 2410, 3374, 4060, 4820, 6748, 6989, 8435, 13978, 16870, 27956, 33740, 34945, 48923, 69890, 97846, 139780, 195692, 244615, 489230, 978460]

約数ペア:

[(1, 978460), (2, 489230), (4, 244615), (5, 195692), (7, 139780), (10, 97846), (14, 69890), (20, 48923), (28, 34945), (29, 33740), (35, 27956), (58, 16870), (70, 13978), (116, 8435), (140, 6989), (145, 6748), (203, 4820), (241, 4060), (290, 3374), (406, 2410), (482, 2030), (580, 1687), (812, 1205), (964, 1015)]