820953700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24953}}^1$

素因数の和:25021

約数の個数: 72

約数和(自身を含む): 2079366912

約数和(自身を除く): 1258413212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 658, 700, 940, 1175, 1316, 1645, 2350, 3290, 4700, 6580, 8225, 16450, 24953, 32900, 49906, 99812, 124765, 174671, 249530, 349342, 499060, 623825, 698684, 873355, 1172791, 1247650, 1746710, 2345582, 2495300, 3493420, 4366775, 4691164, 5863955, 8209537, 8733550, 11727910, 16419074, 17467100, 23455820, 29319775, 32838148, 41047685, 58639550, 82095370, 117279100, 164190740, 205238425, 410476850, 820953700]

約数ペア:

[(1, 820953700), (2, 410476850), (4, 205238425), (5, 164190740), (7, 117279100), (10, 82095370), (14, 58639550), (20, 41047685), (25, 32838148), (28, 29319775), (35, 23455820), (47, 17467100), (50, 16419074), (70, 11727910), (94, 8733550), (100, 8209537), (140, 5863955), (175, 4691164), (188, 4366775), (235, 3493420), (329, 2495300), (350, 2345582), (470, 1746710), (658, 1247650), (700, 1172791), (940, 873355), (1175, 698684), (1316, 623825), (1645, 499060), (2350, 349342), (3290, 249530), (4700, 174671), (6580, 124765), (8225, 99812), (16450, 49906), (24953, 32900)]