28999130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 57195720

約数和(自身を除く): 28196590

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 277, 290, 361, 551, 554, 722, 1102, 1385, 1805, 2755, 2770, 3610, 5263, 5510, 8033, 10469, 10526, 16066, 20938, 26315, 40165, 52345, 52630, 80330, 99997, 104690, 152627, 199994, 305254, 499985, 763135, 999970, 1526270, 2899913, 5799826, 14499565, 28999130]

約数ペア:

[(1, 28999130), (2, 14499565), (5, 5799826), (10, 2899913), (19, 1526270), (29, 999970), (38, 763135), (58, 499985), (95, 305254), (145, 199994), (190, 152627), (277, 104690), (290, 99997), (361, 80330), (551, 52630), (554, 52345), (722, 40165), (1102, 26315), (1385, 20938), (1805, 16066), (2755, 10526), (2770, 10469), (3610, 8033), (5263, 5510)]