138910980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178091}}^1$

素因数の和:178116

約数の個数: 48

約数和(自身を含む): 418872384

約数和(自身を除く): 279961404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 178091, 356182, 534273, 712364, 890455, 1068546, 1780910, 2137092, 2315183, 2671365, 3561820, 4630366, 5342730, 6945549, 9260732, 10685460, 11575915, 13891098, 23151830, 27782196, 34727745, 46303660, 69455490, 138910980]

約数ペア:

[(1, 138910980), (2, 69455490), (3, 46303660), (4, 34727745), (5, 27782196), (6, 23151830), (10, 13891098), (12, 11575915), (13, 10685460), (15, 9260732), (20, 6945549), (26, 5342730), (30, 4630366), (39, 3561820), (52, 2671365), (60, 2315183), (65, 2137092), (78, 1780910), (130, 1068546), (156, 890455), (195, 712364), (260, 534273), (390, 356182), (780, 178091)]