149212400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21943}}^1$

素因数の和:21978

約数の個数: 60

約数和(自身を含む): 379587312

約数和(自身を除く): 230374912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 21943, 43886, 87772, 109715, 175544, 219430, 351088, 373031, 438860, 548575, 746062, 877720, 1097150, 1492124, 1755440, 1865155, 2194300, 2984248, 3730310, 4388600, 5968496, 7460620, 8777200, 9325775, 14921240, 18651550, 29842480, 37303100, 74606200, 149212400]

約数ペア:

[(1, 149212400), (2, 74606200), (4, 37303100), (5, 29842480), (8, 18651550), (10, 14921240), (16, 9325775), (17, 8777200), (20, 7460620), (25, 5968496), (34, 4388600), (40, 3730310), (50, 2984248), (68, 2194300), (80, 1865155), (85, 1755440), (100, 1492124), (136, 1097150), (170, 877720), (200, 746062), (272, 548575), (340, 438860), (400, 373031), (425, 351088), (680, 219430), (850, 175544), (1360, 109715), (1700, 87772), (3400, 43886), (6800, 21943)]