388640315

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4057}}^1$

素因数の和:4116

約数の個数: 48

約数和(自身を含む): 599545152

約数和(自身を除く): 210904837

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 161, 245, 391, 595, 805, 833, 1127, 1955, 2737, 4057, 4165, 5635, 13685, 19159, 20285, 28399, 68969, 93311, 95795, 141995, 198793, 344845, 466555, 482783, 653177, 993965, 1586287, 2413915, 3265885, 3379481, 4572239, 7931435, 11104009, 16897405, 22861195, 55520045, 77728063, 388640315]

約数ペア:

[(1, 388640315), (5, 77728063), (7, 55520045), (17, 22861195), (23, 16897405), (35, 11104009), (49, 7931435), (85, 4572239), (115, 3379481), (119, 3265885), (161, 2413915), (245, 1586287), (391, 993965), (595, 653177), (805, 482783), (833, 466555), (1127, 344845), (1955, 198793), (2737, 141995), (4057, 95795), (4165, 93311), (5635, 68969), (13685, 28399), (19159, 20285)]