3864380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 8890560

約数和(自身を除く): 5026180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 167, 178, 260, 334, 356, 445, 668, 835, 890, 1157, 1670, 1780, 2171, 2314, 3340, 4342, 4628, 5785, 8684, 10855, 11570, 14863, 21710, 23140, 29726, 43420, 59452, 74315, 148630, 193219, 297260, 386438, 772876, 966095, 1932190, 3864380]

約数ペア:

[(1, 3864380), (2, 1932190), (4, 966095), (5, 772876), (10, 386438), (13, 297260), (20, 193219), (26, 148630), (52, 74315), (65, 59452), (89, 43420), (130, 29726), (167, 23140), (178, 21710), (260, 14863), (334, 11570), (356, 10855), (445, 8684), (668, 5785), (835, 4628), (890, 4342), (1157, 3340), (1670, 2314), (1780, 2171)]