358839620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{4451}}^1$

素因数の和:4628

約数の個数: 48

約数和(自身を含む): 785332800

約数和(自身を除く): 426493180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 4451, 8062, 8902, 16124, 17804, 20155, 22255, 40310, 44510, 80620, 89020, 129079, 258158, 516316, 618689, 645395, 1237378, 1290790, 2474756, 2581580, 3093445, 6186890, 12373780, 17941981, 35883962, 71767924, 89709905, 179419810, 358839620]

約数ペア:

[(1, 358839620), (2, 179419810), (4, 89709905), (5, 71767924), (10, 35883962), (20, 17941981), (29, 12373780), (58, 6186890), (116, 3093445), (139, 2581580), (145, 2474756), (278, 1290790), (290, 1237378), (556, 645395), (580, 618689), (695, 516316), (1390, 258158), (2780, 129079), (4031, 89020), (4451, 80620), (8062, 44510), (8902, 40310), (16124, 22255), (17804, 20155)]