878019940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 2209503744

約数和(自身を除く): 1331483804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 257, 322, 460, 514, 644, 805, 1028, 1061, 1285, 1610, 1799, 2122, 2570, 3220, 3598, 4244, 5140, 5305, 5911, 7196, 7427, 8995, 10610, 11822, 14854, 17990, 21220, 23644, 24403, 29555, 29708, 35980, 37135, 41377, 48806, 59110, 74270, 82754, 97612, 118220, 122015, 148540, 165508, 170821, 206885, 244030, 272677, 341642, 413770, 488060, 545354, 683284, 827540, 854105, 1090708, 1363385, 1708210, 1908739, 2726770, 3416420, 3817478, 5453540, 6271571, 7634956, 9543695, 12543142, 19087390, 25086284, 31357855, 38174780, 43900997, 62715710, 87801994, 125431420, 175603988, 219504985, 439009970, 878019940]

約数ペア:

[(1, 878019940), (2, 439009970), (4, 219504985), (5, 175603988), (7, 125431420), (10, 87801994), (14, 62715710), (20, 43900997), (23, 38174780), (28, 31357855), (35, 25086284), (46, 19087390), (70, 12543142), (92, 9543695), (115, 7634956), (140, 6271571), (161, 5453540), (230, 3817478), (257, 3416420), (322, 2726770), (460, 1908739), (514, 1708210), (644, 1363385), (805, 1090708), (1028, 854105), (1061, 827540), (1285, 683284), (1610, 545354), (1799, 488060), (2122, 413770), (2570, 341642), (3220, 272677), (3598, 244030), (4244, 206885), (5140, 170821), (5305, 165508), (5911, 148540), (7196, 122015), (7427, 118220), (8995, 97612), (10610, 82754), (11822, 74270), (14854, 59110), (17990, 48806), (21220, 41377), (23644, 37135), (24403, 35980), (29555, 29708)]