389634660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69827}}^1$

素因数の和:69873

約数の個数: 72

約数和(自身を含む): 1220034816

約数和(自身を除く): 830400156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 69827, 139654, 209481, 279308, 349135, 418962, 628443, 698270, 837924, 1047405, 1256886, 1396540, 2094810, 2164637, 2513772, 3142215, 4189620, 4329274, 6284430, 6493911, 8658548, 10823185, 12568860, 12987822, 19481733, 21646370, 25975644, 32469555, 38963466, 43292740, 64939110, 77926932, 97408665, 129878220, 194817330, 389634660]

約数ペア:

[(1, 389634660), (2, 194817330), (3, 129878220), (4, 97408665), (5, 77926932), (6, 64939110), (9, 43292740), (10, 38963466), (12, 32469555), (15, 25975644), (18, 21646370), (20, 19481733), (30, 12987822), (31, 12568860), (36, 10823185), (45, 8658548), (60, 6493911), (62, 6284430), (90, 4329274), (93, 4189620), (124, 3142215), (155, 2513772), (180, 2164637), (186, 2094810), (279, 1396540), (310, 1256886), (372, 1047405), (465, 837924), (558, 698270), (620, 628443), (930, 418962), (1116, 349135), (1395, 279308), (1860, 209481), (2790, 139654), (5580, 69827)]