278364080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{733}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 668421504

約数和(自身を除く): 390057424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 101, 188, 202, 235, 376, 404, 470, 505, 733, 752, 808, 940, 1010, 1466, 1616, 1880, 2020, 2932, 3665, 3760, 4040, 4747, 5864, 7330, 8080, 9494, 11728, 14660, 18988, 23735, 29320, 34451, 37976, 47470, 58640, 68902, 74033, 75952, 94940, 137804, 148066, 172255, 189880, 275608, 296132, 344510, 370165, 379760, 551216, 592264, 689020, 740330, 1184528, 1378040, 1480660, 2756080, 2961320, 3479551, 5922640, 6959102, 13918204, 17397755, 27836408, 34795510, 55672816, 69591020, 139182040, 278364080]

約数ペア:

[(1, 278364080), (2, 139182040), (4, 69591020), (5, 55672816), (8, 34795510), (10, 27836408), (16, 17397755), (20, 13918204), (40, 6959102), (47, 5922640), (80, 3479551), (94, 2961320), (101, 2756080), (188, 1480660), (202, 1378040), (235, 1184528), (376, 740330), (404, 689020), (470, 592264), (505, 551216), (733, 379760), (752, 370165), (808, 344510), (940, 296132), (1010, 275608), (1466, 189880), (1616, 172255), (1880, 148066), (2020, 137804), (2932, 94940), (3665, 75952), (3760, 74033), (4040, 68902), (4747, 58640), (5864, 47470), (7330, 37976), (8080, 34451), (9494, 29320), (11728, 23735), (14660, 18988)]