2009675140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1021}}^1$

素因数の和:1453

約数の個数: 96

約数和(自身を含む): 4821223680

約数和(自身を除く): 2811548540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 389, 460, 506, 778, 1012, 1021, 1265, 1556, 1945, 2042, 2530, 3890, 4084, 4279, 5060, 5105, 7780, 8558, 8947, 10210, 11231, 17116, 17894, 20420, 21395, 22462, 23483, 35788, 42790, 44735, 44924, 46966, 56155, 85580, 89470, 93932, 98417, 112310, 117415, 178940, 196834, 224620, 234830, 258313, 393668, 397169, 469660, 492085, 516626, 794338, 984170, 1033252, 1291565, 1588676, 1968340, 1985845, 2583130, 3971690, 4368859, 5166260, 7943380, 8737718, 9134887, 17475436, 18269774, 21844295, 36539548, 43688590, 45674435, 87377180, 91348870, 100483757, 182697740, 200967514, 401935028, 502418785, 1004837570, 2009675140]

約数ペア:

[(1, 2009675140), (2, 1004837570), (4, 502418785), (5, 401935028), (10, 200967514), (11, 182697740), (20, 100483757), (22, 91348870), (23, 87377180), (44, 45674435), (46, 43688590), (55, 36539548), (92, 21844295), (110, 18269774), (115, 17475436), (220, 9134887), (230, 8737718), (253, 7943380), (389, 5166260), (460, 4368859), (506, 3971690), (778, 2583130), (1012, 1985845), (1021, 1968340), (1265, 1588676), (1556, 1291565), (1945, 1033252), (2042, 984170), (2530, 794338), (3890, 516626), (4084, 492085), (4279, 469660), (5060, 397169), (5105, 393668), (7780, 258313), (8558, 234830), (8947, 224620), (10210, 196834), (11231, 178940), (17116, 117415), (17894, 112310), (20420, 98417), (21395, 93932), (22462, 89470), (23483, 85580), (35788, 56155), (42790, 46966), (44735, 44924)]