2899681780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 6358302720

約数和(自身を除く): 3458620940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 139, 172, 191, 215, 254, 278, 382, 430, 508, 556, 635, 695, 764, 860, 955, 1270, 1390, 1910, 2540, 2780, 3820, 5461, 5977, 8213, 10922, 11954, 16426, 17653, 21844, 23908, 24257, 26549, 27305, 29885, 32852, 35306, 41065, 48514, 53098, 54610, 59770, 70612, 82130, 88265, 97028, 106196, 109220, 119540, 121285, 132745, 164260, 176530, 242570, 265490, 353060, 485140, 530980, 759079, 1043051, 1141607, 1518158, 2086102, 2283214, 3036316, 3371723, 3795395, 4172204, 4566428, 5215255, 5708035, 6743446, 7590790, 10430510, 11416070, 13486892, 15181580, 16858615, 20861020, 22832140, 33717230, 67434460, 144984089, 289968178, 579936356, 724920445, 1449840890, 2899681780]

約数ペア:

[(1, 2899681780), (2, 1449840890), (4, 724920445), (5, 579936356), (10, 289968178), (20, 144984089), (43, 67434460), (86, 33717230), (127, 22832140), (139, 20861020), (172, 16858615), (191, 15181580), (215, 13486892), (254, 11416070), (278, 10430510), (382, 7590790), (430, 6743446), (508, 5708035), (556, 5215255), (635, 4566428), (695, 4172204), (764, 3795395), (860, 3371723), (955, 3036316), (1270, 2283214), (1390, 2086102), (1910, 1518158), (2540, 1141607), (2780, 1043051), (3820, 759079), (5461, 530980), (5977, 485140), (8213, 353060), (10922, 265490), (11954, 242570), (16426, 176530), (17653, 164260), (21844, 132745), (23908, 121285), (24257, 119540), (26549, 109220), (27305, 106196), (29885, 97028), (32852, 88265), (35306, 82130), (41065, 70612), (48514, 59770), (53098, 54610)]