122820400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^2\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 90

約数和(自身を含む): 303656780

約数和(自身を除く): 180836380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 139, 188, 200, 235, 278, 376, 400, 470, 556, 695, 752, 940, 1112, 1175, 1390, 1880, 2209, 2224, 2350, 2780, 3475, 3760, 4418, 4700, 5560, 6533, 6950, 8836, 9400, 11045, 11120, 13066, 13900, 17672, 18800, 22090, 26132, 27800, 32665, 35344, 44180, 52264, 55225, 55600, 65330, 88360, 104528, 110450, 130660, 163325, 176720, 220900, 261320, 307051, 326650, 441800, 522640, 614102, 653300, 883600, 1228204, 1306600, 1535255, 2456408, 2613200, 3070510, 4912816, 6141020, 7676275, 12282040, 15352550, 24564080, 30705100, 61410200, 122820400]

約数ペア:

[(1, 122820400), (2, 61410200), (4, 30705100), (5, 24564080), (8, 15352550), (10, 12282040), (16, 7676275), (20, 6141020), (25, 4912816), (40, 3070510), (47, 2613200), (50, 2456408), (80, 1535255), (94, 1306600), (100, 1228204), (139, 883600), (188, 653300), (200, 614102), (235, 522640), (278, 441800), (376, 326650), (400, 307051), (470, 261320), (556, 220900), (695, 176720), (752, 163325), (940, 130660), (1112, 110450), (1175, 104528), (1390, 88360), (1880, 65330), (2209, 55600), (2224, 55225), (2350, 52264), (2780, 44180), (3475, 35344), (3760, 32665), (4418, 27800), (4700, 26132), (5560, 22090), (6533, 18800), (6950, 17672), (8836, 13900), (9400, 13066), (11045, 11120)]