1997740192

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:691

約数の個数: 144

約数和(自身を含む): 4795967232

約数和(自身を除く): 2798227040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 73, 98, 112, 124, 146, 196, 217, 224, 248, 292, 392, 434, 496, 511, 563, 584, 784, 868, 992, 1022, 1126, 1168, 1519, 1568, 1736, 2044, 2252, 2263, 2336, 3038, 3472, 3577, 3941, 4088, 4504, 4526, 6076, 6944, 7154, 7882, 8176, 9008, 9052, 12152, 14308, 15764, 15841, 16352, 17453, 18016, 18104, 24304, 27587, 28616, 31528, 31682, 34906, 36208, 41099, 48608, 55174, 57232, 63056, 63364, 69812, 72416, 82198, 110348, 110887, 114464, 122171, 126112, 126728, 139624, 164396, 220696, 221774, 244342, 253456, 279248, 287693, 328792, 441392, 443548, 488684, 506912, 558496, 575386, 657584, 855197, 882784, 887096, 977368, 1150772, 1274069, 1315168, 1710394, 1774192, 1954736, 2013851, 2301544, 2548138, 3420788, 3548384, 3909472, 4027702, 4603088, 5096276, 6841576, 8055404, 8918483, 9206176, 10192552, 13683152, 16110808, 17836966, 20385104, 27366304, 32221616, 35673932, 40770208, 62429381, 64443232, 71347864, 124858762, 142695728, 249717524, 285391456, 499435048, 998870096, 1997740192]

約数ペア:

[(1, 1997740192), (2, 998870096), (4, 499435048), (7, 285391456), (8, 249717524), (14, 142695728), (16, 124858762), (28, 71347864), (31, 64443232), (32, 62429381), (49, 40770208), (56, 35673932), (62, 32221616), (73, 27366304), (98, 20385104), (112, 17836966), (124, 16110808), (146, 13683152), (196, 10192552), (217, 9206176), (224, 8918483), (248, 8055404), (292, 6841576), (392, 5096276), (434, 4603088), (496, 4027702), (511, 3909472), (563, 3548384), (584, 3420788), (784, 2548138), (868, 2301544), (992, 2013851), (1022, 1954736), (1126, 1774192), (1168, 1710394), (1519, 1315168), (1568, 1274069), (1736, 1150772), (2044, 977368), (2252, 887096), (2263, 882784), (2336, 855197), (3038, 657584), (3472, 575386), (3577, 558496), (3941, 506912), (4088, 488684), (4504, 443548), (4526, 441392), (6076, 328792), (6944, 287693), (7154, 279248), (7882, 253456), (8176, 244342), (9008, 221774), (9052, 220696), (12152, 164396), (14308, 139624), (15764, 126728), (15841, 126112), (16352, 122171), (17453, 114464), (18016, 110887), (18104, 110348), (24304, 82198), (27587, 72416), (28616, 69812), (31528, 63364), (31682, 63056), (34906, 57232), (36208, 55174), (41099, 48608)]