1247900720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{6247}}^1$

素因数の和:6498

約数の個数: 80

約数和(自身を含む): 3179582208

約数和(自身を除く): 1931681488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 227, 440, 454, 880, 908, 1135, 1816, 2270, 2497, 3632, 4540, 4994, 6247, 9080, 9988, 12485, 12494, 18160, 19976, 24970, 24988, 31235, 39952, 49940, 49976, 62470, 68717, 99880, 99952, 124940, 137434, 199760, 249880, 274868, 343585, 499760, 549736, 687170, 1099472, 1374340, 1418069, 2748680, 2836138, 5497360, 5672276, 7090345, 11344552, 14180690, 15598759, 22689104, 28361380, 31197518, 56722760, 62395036, 77993795, 113445520, 124790072, 155987590, 249580144, 311975180, 623950360, 1247900720]

約数ペア:

[(1, 1247900720), (2, 623950360), (4, 311975180), (5, 249580144), (8, 155987590), (10, 124790072), (11, 113445520), (16, 77993795), (20, 62395036), (22, 56722760), (40, 31197518), (44, 28361380), (55, 22689104), (80, 15598759), (88, 14180690), (110, 11344552), (176, 7090345), (220, 5672276), (227, 5497360), (440, 2836138), (454, 2748680), (880, 1418069), (908, 1374340), (1135, 1099472), (1816, 687170), (2270, 549736), (2497, 499760), (3632, 343585), (4540, 274868), (4994, 249880), (6247, 199760), (9080, 137434), (9988, 124940), (12485, 99952), (12494, 99880), (18160, 68717), (19976, 62470), (24970, 49976), (24988, 49940), (31235, 39952)]