788598740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{15277}}^1$

素因数の和:15404

約数の個数: 48

約数和(自身を含む): 1732525200

約数和(自身を除く): 943926460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1780, 2581, 5162, 10324, 12905, 15277, 25810, 30554, 51620, 61108, 76385, 152770, 305540, 443033, 886066, 1359653, 1772132, 2215165, 2719306, 4430330, 5438612, 6798265, 8860660, 13596530, 27193060, 39429937, 78859874, 157719748, 197149685, 394299370, 788598740]

約数ペア:

[(1, 788598740), (2, 394299370), (4, 197149685), (5, 157719748), (10, 78859874), (20, 39429937), (29, 27193060), (58, 13596530), (89, 8860660), (116, 6798265), (145, 5438612), (178, 4430330), (290, 2719306), (356, 2215165), (445, 1772132), (580, 1359653), (890, 886066), (1780, 443033), (2581, 305540), (5162, 152770), (10324, 76385), (12905, 61108), (15277, 51620), (25810, 30554)]