129141970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{673}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 240698880

約数和(自身を除く): 111556910

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 619, 673, 1238, 1346, 3095, 3365, 6190, 6730, 19189, 20863, 38378, 41726, 95945, 104315, 191890, 208630, 416587, 833174, 2082935, 4165870, 12914197, 25828394, 64570985, 129141970]

約数ペア:

[(1, 129141970), (2, 64570985), (5, 25828394), (10, 12914197), (31, 4165870), (62, 2082935), (155, 833174), (310, 416587), (619, 208630), (673, 191890), (1238, 104315), (1346, 95945), (3095, 41726), (3365, 38378), (6190, 20863), (6730, 19189)]