1389664510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2879}}^1$

素因数の和:3025

約数の個数: 64

約数和(自身を含む): 2786918400

約数和(自身を除く): 1397253890

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 79, 94, 130, 158, 235, 395, 470, 611, 790, 1027, 1222, 2054, 2879, 3055, 3713, 5135, 5758, 6110, 7426, 10270, 14395, 18565, 28790, 37130, 37427, 48269, 74854, 96538, 135313, 187135, 227441, 241345, 270626, 374270, 454882, 482690, 676565, 1137205, 1353130, 1759069, 2274410, 2956733, 3518138, 5913466, 8795345, 10689727, 14783665, 17590690, 21379454, 29567330, 53448635, 106897270, 138966451, 277932902, 694832255, 1389664510]

約数ペア:

[(1, 1389664510), (2, 694832255), (5, 277932902), (10, 138966451), (13, 106897270), (26, 53448635), (47, 29567330), (65, 21379454), (79, 17590690), (94, 14783665), (130, 10689727), (158, 8795345), (235, 5913466), (395, 3518138), (470, 2956733), (611, 2274410), (790, 1759069), (1027, 1353130), (1222, 1137205), (2054, 676565), (2879, 482690), (3055, 454882), (3713, 374270), (5135, 270626), (5758, 241345), (6110, 227441), (7426, 187135), (10270, 135313), (14395, 96538), (18565, 74854), (28790, 48269), (37130, 37427)]