1389540530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{587}}^1\times {\mathrm{4831}}^1$

素因数の和:5439

約数の個数: 48

約数和(自身を含む): 2915087616

約数和(自身を除く): 1525547086

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 587, 1174, 2935, 4109, 4831, 5870, 8218, 9662, 20545, 24155, 28763, 33817, 41090, 48310, 57526, 67634, 143815, 169085, 236719, 287630, 338170, 473438, 1183595, 2367190, 2835797, 5671594, 14178985, 19850579, 28357970, 39701158, 99252895, 138954053, 198505790, 277908106, 694770265, 1389540530]

約数ペア:

[(1, 1389540530), (2, 694770265), (5, 277908106), (7, 198505790), (10, 138954053), (14, 99252895), (35, 39701158), (49, 28357970), (70, 19850579), (98, 14178985), (245, 5671594), (490, 2835797), (587, 2367190), (1174, 1183595), (2935, 473438), (4109, 338170), (4831, 287630), (5870, 236719), (8218, 169085), (9662, 143815), (20545, 67634), (24155, 57526), (28763, 48310), (33817, 41090)]