836537480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 2060467200

約数和(自身を除く): 1223929720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 43, 58, 62, 86, 116, 124, 145, 155, 172, 215, 232, 248, 290, 310, 344, 430, 541, 580, 620, 860, 899, 1082, 1160, 1240, 1247, 1333, 1720, 1798, 2164, 2494, 2666, 2705, 3596, 4328, 4495, 4988, 5332, 5410, 6235, 6665, 7192, 8990, 9976, 10664, 10820, 12470, 13330, 15689, 16771, 17980, 21640, 23263, 24940, 26660, 31378, 33542, 35960, 38657, 46526, 49880, 53320, 62756, 67084, 77314, 78445, 83855, 93052, 116315, 125512, 134168, 154628, 156890, 167710, 186104, 193285, 232630, 309256, 313780, 335420, 386570, 465260, 486359, 627560, 670840, 674627, 721153, 773140, 930520, 972718, 1349254, 1442306, 1546280, 1945436, 2431795, 2698508, 2884612, 3373135, 3605765, 3890872, 4863590, 5397016, 5769224, 6746270, 7211530, 9727180, 13492540, 14423060, 19454360, 20913437, 26985080, 28846120, 41826874, 83653748, 104567185, 167307496, 209134370, 418268740, 836537480]

約数ペア:

[(1, 836537480), (2, 418268740), (4, 209134370), (5, 167307496), (8, 104567185), (10, 83653748), (20, 41826874), (29, 28846120), (31, 26985080), (40, 20913437), (43, 19454360), (58, 14423060), (62, 13492540), (86, 9727180), (116, 7211530), (124, 6746270), (145, 5769224), (155, 5397016), (172, 4863590), (215, 3890872), (232, 3605765), (248, 3373135), (290, 2884612), (310, 2698508), (344, 2431795), (430, 1945436), (541, 1546280), (580, 1442306), (620, 1349254), (860, 972718), (899, 930520), (1082, 773140), (1160, 721153), (1240, 674627), (1247, 670840), (1333, 627560), (1720, 486359), (1798, 465260), (2164, 386570), (2494, 335420), (2666, 313780), (2705, 309256), (3596, 232630), (4328, 193285), (4495, 186104), (4988, 167710), (5332, 156890), (5410, 154628), (6235, 134168), (6665, 125512), (7192, 116315), (8990, 93052), (9976, 83855), (10664, 78445), (10820, 77314), (12470, 67084), (13330, 62756), (15689, 53320), (16771, 49880), (17980, 46526), (21640, 38657), (23263, 35960), (24940, 33542), (26660, 31378)]