1900528688

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 3923186400

約数和(自身を除く): 2022657712

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 83, 116, 122, 166, 232, 244, 332, 464, 488, 664, 809, 976, 1328, 1618, 1769, 2407, 3236, 3538, 4814, 5063, 6472, 7076, 9628, 10126, 12944, 14152, 19256, 20252, 23461, 28304, 38512, 40504, 46922, 49349, 67147, 81008, 93844, 98698, 134294, 146827, 187688, 197396, 268588, 293654, 375376, 394792, 537176, 587308, 789584, 1074352, 1174616, 1431121, 1947263, 2349232, 2862242, 3894526, 4095967, 5724484, 7789052, 8191934, 11448968, 15578104, 16383868, 22897936, 31156208, 32767736, 65535472, 118783043, 237566086, 475132172, 950264344, 1900528688]

約数ペア:

[(1, 1900528688), (2, 950264344), (4, 475132172), (8, 237566086), (16, 118783043), (29, 65535472), (58, 32767736), (61, 31156208), (83, 22897936), (116, 16383868), (122, 15578104), (166, 11448968), (232, 8191934), (244, 7789052), (332, 5724484), (464, 4095967), (488, 3894526), (664, 2862242), (809, 2349232), (976, 1947263), (1328, 1431121), (1618, 1174616), (1769, 1074352), (2407, 789584), (3236, 587308), (3538, 537176), (4814, 394792), (5063, 375376), (6472, 293654), (7076, 268588), (9628, 197396), (10126, 187688), (12944, 146827), (14152, 134294), (19256, 98698), (20252, 93844), (23461, 81008), (28304, 67147), (38512, 49349), (40504, 46922)]