129718900

素因数分解:

$2^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{3919}}^1$

素因数の和:4264

約数の個数: 36

約数和(自身を含む): 282412480

約数和(自身を除く): 152693580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 331, 662, 1324, 1655, 3310, 3919, 6620, 7838, 8275, 15676, 16550, 19595, 33100, 39190, 78380, 97975, 195950, 391900, 1297189, 2594378, 5188756, 6485945, 12971890, 25943780, 32429725, 64859450, 129718900]

約数ペア:

[(1, 129718900), (2, 64859450), (4, 32429725), (5, 25943780), (10, 12971890), (20, 6485945), (25, 5188756), (50, 2594378), (100, 1297189), (331, 391900), (662, 195950), (1324, 97975), (1655, 78380), (3310, 39190), (3919, 33100), (6620, 19595), (7838, 16550), (8275, 15676)]