395376540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{506893}}^1$

素因数の和:506918

約数の個数: 48

約数和(自身を含む): 1192214688

約数和(自身を除く): 796838148

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, 506893, 1013786, 1520679, 2027572, 2534465, 3041358, 5068930, 6082716, 6589609, 7603395, 10137860, 13179218, 15206790, 19768827, 26358436, 30413580, 32948045, 39537654, 65896090, 79075308, 98844135, 131792180, 197688270, 395376540]

約数ペア:

[(1, 395376540), (2, 197688270), (3, 131792180), (4, 98844135), (5, 79075308), (6, 65896090), (10, 39537654), (12, 32948045), (13, 30413580), (15, 26358436), (20, 19768827), (26, 15206790), (30, 13179218), (39, 10137860), (52, 7603395), (60, 6589609), (65, 6082716), (78, 5068930), (130, 3041358), (156, 2534465), (195, 2027572), (260, 1520679), (390, 1013786), (780, 506893)]