201550

素因数分解:

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

素因数の和:180

約数の個数: 24

約数和(自身を含む): 390600

約数和(自身を除く): 189050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 139, 145, 278, 290, 695, 725, 1390, 1450, 3475, 4031, 6950, 8062, 20155, 40310, 100775, 201550]

約数ペア:

[(1, 201550), (2, 100775), (5, 40310), (10, 20155), (25, 8062), (29, 6950), (50, 4031), (58, 3475), (139, 1450), (145, 1390), (278, 725), (290, 695)]