438642760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 1008230400

約数和(自身を除く): 569587640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 127, 158, 254, 316, 395, 508, 632, 635, 790, 1016, 1093, 1270, 1580, 2186, 2540, 3160, 4372, 5080, 5465, 8744, 10033, 10930, 20066, 21860, 40132, 43720, 50165, 80264, 86347, 100330, 138811, 172694, 200660, 277622, 345388, 401320, 431735, 555244, 690776, 694055, 863470, 1110488, 1388110, 1726940, 2776220, 3453880, 5552440, 10966069, 21932138, 43864276, 54830345, 87728552, 109660690, 219321380, 438642760]

約数ペア:

[(1, 438642760), (2, 219321380), (4, 109660690), (5, 87728552), (8, 54830345), (10, 43864276), (20, 21932138), (40, 10966069), (79, 5552440), (127, 3453880), (158, 2776220), (254, 1726940), (316, 1388110), (395, 1110488), (508, 863470), (632, 694055), (635, 690776), (790, 555244), (1016, 431735), (1093, 401320), (1270, 345388), (1580, 277622), (2186, 200660), (2540, 172694), (3160, 138811), (4372, 100330), (5080, 86347), (5465, 80264), (8744, 50165), (10033, 43720), (10930, 40132), (20066, 21860)]