388774890

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{68567}}^1$

素因数の和:68593

約数の個数: 80

約数和(自身を含む): 1194728832

約数和(自身を除く): 805953942

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 68567, 137134, 205701, 342835, 411402, 479969, 617103, 685670, 959938, 1028505, 1234206, 1439907, 1851309, 2057010, 2399845, 2879814, 3085515, 3702618, 4319721, 4799690, 5553927, 6171030, 7199535, 8639442, 9256545, 11107854, 12959163, 14399070, 18513090, 21598605, 25918326, 27769635, 38877489, 43197210, 55539270, 64795815, 77754978, 129591630, 194387445, 388774890]

約数ペア:

[(1, 388774890), (2, 194387445), (3, 129591630), (5, 77754978), (6, 64795815), (7, 55539270), (9, 43197210), (10, 38877489), (14, 27769635), (15, 25918326), (18, 21598605), (21, 18513090), (27, 14399070), (30, 12959163), (35, 11107854), (42, 9256545), (45, 8639442), (54, 7199535), (63, 6171030), (70, 5553927), (81, 4799690), (90, 4319721), (105, 3702618), (126, 3085515), (135, 2879814), (162, 2399845), (189, 2057010), (210, 1851309), (270, 1439907), (315, 1234206), (378, 1028505), (405, 959938), (567, 685670), (630, 617103), (810, 479969), (945, 411402), (1134, 342835), (1890, 205701), (2835, 137134), (5670, 68567)]