391066620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3623}}^1$

素因数の和:3899

約数の個数: 96

約数和(自身を含む): 1256629248

約数和(自身を除く): 865562628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 771, 1028, 1285, 1542, 1799, 2570, 3084, 3598, 3623, 3855, 5140, 5397, 7196, 7246, 7710, 8995, 10794, 10869, 14492, 15420, 17990, 18115, 21588, 21738, 25361, 26985, 35980, 36230, 43476, 50722, 53970, 54345, 72460, 76083, 101444, 107940, 108690, 126805, 152166, 217380, 253610, 304332, 380415, 507220, 760830, 931111, 1521660, 1862222, 2793333, 3724444, 4655555, 5586666, 6517777, 9311110, 11173332, 13035554, 13966665, 18622220, 19553331, 26071108, 27933330, 32588885, 39106662, 55866660, 65177770, 78213324, 97766655, 130355540, 195533310, 391066620]

約数ペア:

[(1, 391066620), (2, 195533310), (3, 130355540), (4, 97766655), (5, 78213324), (6, 65177770), (7, 55866660), (10, 39106662), (12, 32588885), (14, 27933330), (15, 26071108), (20, 19553331), (21, 18622220), (28, 13966665), (30, 13035554), (35, 11173332), (42, 9311110), (60, 6517777), (70, 5586666), (84, 4655555), (105, 3724444), (140, 2793333), (210, 1862222), (257, 1521660), (420, 931111), (514, 760830), (771, 507220), (1028, 380415), (1285, 304332), (1542, 253610), (1799, 217380), (2570, 152166), (3084, 126805), (3598, 108690), (3623, 107940), (3855, 101444), (5140, 76083), (5397, 72460), (7196, 54345), (7246, 53970), (7710, 50722), (8995, 43476), (10794, 36230), (10869, 35980), (14492, 26985), (15420, 25361), (17990, 21738), (18115, 21588)]