129328900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41719}}^1$

素因数の和:41764

約数の個数: 36

約数和(自身を含む): 289703680

約数和(自身を除く): 160374780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 41719, 83438, 166876, 208595, 417190, 834380, 1042975, 1293289, 2085950, 2586578, 4171900, 5173156, 6466445, 12932890, 25865780, 32332225, 64664450, 129328900]

約数ペア:

[(1, 129328900), (2, 64664450), (4, 32332225), (5, 25865780), (10, 12932890), (20, 6466445), (25, 5173156), (31, 4171900), (50, 2586578), (62, 2085950), (100, 1293289), (124, 1042975), (155, 834380), (310, 417190), (620, 208595), (775, 166876), (1550, 83438), (3100, 41719)]