129620090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{3463}}^1$

素因数の和:3686

約数の個数: 32

約数和(自身を含む): 246913920

約数和(自身を除く): 117293830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 985, 1970, 3463, 3743, 6926, 7486, 17315, 18715, 34630, 37430, 65797, 131594, 328985, 657970, 682211, 1364422, 3411055, 6822110, 12962009, 25924018, 64810045, 129620090]

約数ペア:

[(1, 129620090), (2, 64810045), (5, 25924018), (10, 12962009), (19, 6822110), (38, 3411055), (95, 1364422), (190, 682211), (197, 657970), (394, 328985), (985, 131594), (1970, 65797), (3463, 37430), (3743, 34630), (6926, 18715), (7486, 17315)]