868368340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 2128896000

約数和(自身を除く): 1260527660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 199, 284, 355, 398, 439, 497, 710, 796, 878, 994, 995, 1393, 1420, 1756, 1988, 1990, 2195, 2485, 2786, 3073, 3980, 4390, 4970, 5572, 6146, 6965, 8780, 9940, 12292, 13930, 14129, 15365, 27860, 28258, 30730, 31169, 56516, 61460, 62338, 70645, 87361, 98903, 124676, 141290, 155845, 174722, 197806, 218183, 282580, 311690, 349444, 395612, 436366, 436805, 494515, 611527, 623380, 872732, 873610, 989030, 1090915, 1223054, 1747220, 1978060, 2181830, 2446108, 3057635, 4363660, 6115270, 6202631, 12230540, 12405262, 24810524, 31013155, 43418417, 62026310, 86836834, 124052620, 173673668, 217092085, 434184170, 868368340]

約数ペア:

[(1, 868368340), (2, 434184170), (4, 217092085), (5, 173673668), (7, 124052620), (10, 86836834), (14, 62026310), (20, 43418417), (28, 31013155), (35, 24810524), (70, 12405262), (71, 12230540), (140, 6202631), (142, 6115270), (199, 4363660), (284, 3057635), (355, 2446108), (398, 2181830), (439, 1978060), (497, 1747220), (710, 1223054), (796, 1090915), (878, 989030), (994, 873610), (995, 872732), (1393, 623380), (1420, 611527), (1756, 494515), (1988, 436805), (1990, 436366), (2195, 395612), (2485, 349444), (2786, 311690), (3073, 282580), (3980, 218183), (4390, 197806), (4970, 174722), (5572, 155845), (6146, 141290), (6965, 124676), (8780, 98903), (9940, 87361), (12292, 70645), (13930, 62338), (14129, 61460), (15365, 56516), (27860, 31169), (28258, 30730)]