8489804820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{78653}}^1$

素因数の和:78929

約数の個数: 96

約数和(自身を含む): 27273431808

約数和(自身を除く): 18783626988

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, 3855, 5140, 5397, 7196, 7710, 8995, 10794, 15420, 17990, 21588, 26985, 35980, 53970, 78653, 107940, 157306, 235959, 314612, 393265, 471918, 550571, 786530, 943836, 1101142, 1179795, 1573060, 1651713, 2202284, 2359590, 2752855, 3303426, 4719180, 5505710, 6606852, 8258565, 11011420, 16517130, 20213821, 33034260, 40427642, 60641463, 80855284, 101069105, 121282926, 141496747, 202138210, 242565852, 282993494, 303207315, 404276420, 424490241, 565986988, 606414630, 707483735, 848980482, 1212829260, 1414967470, 1697960964, 2122451205, 2829934940, 4244902410, 8489804820]

約数ペア:

[(1, 8489804820), (2, 4244902410), (3, 2829934940), (4, 2122451205), (5, 1697960964), (6, 1414967470), (7, 1212829260), (10, 848980482), (12, 707483735), (14, 606414630), (15, 565986988), (20, 424490241), (21, 404276420), (28, 303207315), (30, 282993494), (35, 242565852), (42, 202138210), (60, 141496747), (70, 121282926), (84, 101069105), (105, 80855284), (140, 60641463), (210, 40427642), (257, 33034260), (420, 20213821), (514, 16517130), (771, 11011420), (1028, 8258565), (1285, 6606852), (1542, 5505710), (1799, 4719180), (2570, 3303426), (3084, 2752855), (3598, 2359590), (3855, 2202284), (5140, 1651713), (5397, 1573060), (7196, 1179795), (7710, 1101142), (8995, 943836), (10794, 786530), (15420, 550571), (17990, 471918), (21588, 393265), (26985, 314612), (35980, 235959), (53970, 157306), (78653, 107940)]