7780491030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19949977}}^1$

素因数の和:19950000

約数の個数: 32

約数和(自身を含む): 20109577824

約数和(自身を除く): 12329086794

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19949977, 39899954, 59849931, 99749885, 119699862, 199499770, 259349701, 299249655, 518699402, 598499310, 778049103, 1296748505, 1556098206, 2593497010, 3890245515, 7780491030]

約数ペア:

[(1, 7780491030), (2, 3890245515), (3, 2593497010), (5, 1556098206), (6, 1296748505), (10, 778049103), (13, 598499310), (15, 518699402), (26, 299249655), (30, 259349701), (39, 199499770), (65, 119699862), (78, 99749885), (130, 59849931), (195, 39899954), (390, 19949977)]