311326820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{4421}}^1$

素因数の和:4940

約数の個数: 48

約数和(自身を含む): 748839168

約数和(自身を除く): 437512348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 2012, 2515, 3521, 4421, 5030, 7042, 8842, 10060, 14084, 17605, 17684, 22105, 30947, 35210, 44210, 61894, 70420, 88420, 123788, 154735, 309470, 618940, 2223763, 4447526, 8895052, 11118815, 15566341, 22237630, 31132682, 44475260, 62265364, 77831705, 155663410, 311326820]

約数ペア:

[(1, 311326820), (2, 155663410), (4, 77831705), (5, 62265364), (7, 44475260), (10, 31132682), (14, 22237630), (20, 15566341), (28, 11118815), (35, 8895052), (70, 4447526), (140, 2223763), (503, 618940), (1006, 309470), (2012, 154735), (2515, 123788), (3521, 88420), (4421, 70420), (5030, 61894), (7042, 44210), (8842, 35210), (10060, 30947), (14084, 22105), (17605, 17684)]