138756250

素因数分解:

$2^1\times 5^5\times {\mathrm{149}}^2$

素因数の和:325

約数の個数: 36

約数和(自身を含む): 261909018

約数和(自身を除く): 123152768

約数列:

[1, 2, 5, 10, 25, 50, 125, 149, 250, 298, 625, 745, 1250, 1490, 3125, 3725, 6250, 7450, 18625, 22201, 37250, 44402, 93125, 111005, 186250, 222010, 465625, 555025, 931250, 1110050, 2775125, 5550250, 13875625, 27751250, 69378125, 138756250]

約数ペア:

[(1, 138756250), (2, 69378125), (5, 27751250), (10, 13875625), (25, 5550250), (50, 2775125), (125, 1110050), (149, 931250), (250, 555025), (298, 465625), (625, 222010), (745, 186250), (1250, 111005), (1490, 93125), (3125, 44402), (3725, 37250), (6250, 22201), (7450, 18625)]