125123180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68749}}^1$

素因数の和:68778

約数の個数: 48

約数和(自身を含む): 323400000

約数和(自身を除く): 198276820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 68749, 137498, 274996, 343745, 481243, 687490, 893737, 962486, 1374980, 1787474, 1924972, 2406215, 3574948, 4468685, 4812430, 6256159, 8937370, 9624860, 12512318, 17874740, 25024636, 31280795, 62561590, 125123180]

約数ペア:

[(1, 125123180), (2, 62561590), (4, 31280795), (5, 25024636), (7, 17874740), (10, 12512318), (13, 9624860), (14, 8937370), (20, 6256159), (26, 4812430), (28, 4468685), (35, 3574948), (52, 2406215), (65, 1924972), (70, 1787474), (91, 1374980), (130, 962486), (140, 893737), (182, 687490), (260, 481243), (364, 343745), (455, 274996), (910, 137498), (1820, 68749)]