680675855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 884597760

約数和(自身を除く): 203921905

約数列:

[1, 5, 19, 47, 95, 157, 235, 785, 893, 971, 2983, 4465, 4855, 7379, 14915, 18449, 36895, 45637, 92245, 140201, 152447, 228185, 701005, 762235, 867103, 2896493, 4335515, 7165009, 14482465, 35825045, 136135171, 680675855]

約数ペア:

[(1, 680675855), (5, 136135171), (19, 35825045), (47, 14482465), (95, 7165009), (157, 4335515), (235, 2896493), (785, 867103), (893, 762235), (971, 701005), (2983, 228185), (4465, 152447), (4855, 140201), (7379, 92245), (14915, 45637), (18449, 36895)]