128777200

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3319}}^1$

素因数の和:3434

約数の個数: 60

約数和(自身を含む): 312670960

約数和(自身を除く): 183893760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1552, 1940, 2425, 3319, 3880, 4850, 6638, 7760, 9700, 13276, 16595, 19400, 26552, 33190, 38800, 53104, 66380, 82975, 132760, 165950, 265520, 321943, 331900, 643886, 663800, 1287772, 1327600, 1609715, 2575544, 3219430, 5151088, 6438860, 8048575, 12877720, 16097150, 25755440, 32194300, 64388600, 128777200]

約数ペア:

[(1, 128777200), (2, 64388600), (4, 32194300), (5, 25755440), (8, 16097150), (10, 12877720), (16, 8048575), (20, 6438860), (25, 5151088), (40, 3219430), (50, 2575544), (80, 1609715), (97, 1327600), (100, 1287772), (194, 663800), (200, 643886), (388, 331900), (400, 321943), (485, 265520), (776, 165950), (970, 132760), (1552, 82975), (1940, 66380), (2425, 53104), (3319, 38800), (3880, 33190), (4850, 26552), (6638, 19400), (7760, 16595), (9700, 13276)]