890480305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 1321754112

約数和(自身を除く): 431273807

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 173, 253, 299, 313, 715, 865, 1265, 1495, 1565, 1903, 2249, 3289, 3443, 3979, 4069, 7199, 9515, 11245, 16445, 17215, 19895, 20345, 24739, 35995, 43769, 44759, 51727, 54149, 79189, 93587, 123695, 218845, 223795, 258635, 270745, 395945, 467935, 568997, 595639, 703937, 1029457, 1245427, 2844985, 2978195, 3519685, 5147285, 6227135, 7743307, 13699697, 16190551, 38716535, 68498485, 80952755, 178096061, 890480305]

約数ペア:

[(1, 890480305), (5, 178096061), (11, 80952755), (13, 68498485), (23, 38716535), (55, 16190551), (65, 13699697), (115, 7743307), (143, 6227135), (173, 5147285), (253, 3519685), (299, 2978195), (313, 2844985), (715, 1245427), (865, 1029457), (1265, 703937), (1495, 595639), (1565, 568997), (1903, 467935), (2249, 395945), (3289, 270745), (3443, 258635), (3979, 223795), (4069, 218845), (7199, 123695), (9515, 93587), (11245, 79189), (16445, 54149), (17215, 51727), (19895, 44759), (20345, 43769), (24739, 35995)]