30268280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15443}}^1$

素因数の和:15468

約数の個数: 48

約数和(自身を含む): 79227720

約数和(自身を除く): 48959440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15443, 30886, 61772, 77215, 108101, 123544, 154430, 216202, 308860, 432404, 540505, 617720, 756707, 864808, 1081010, 1513414, 2162020, 3026828, 3783535, 4324040, 6053656, 7567070, 15134140, 30268280]

約数ペア:

[(1, 30268280), (2, 15134140), (4, 7567070), (5, 6053656), (7, 4324040), (8, 3783535), (10, 3026828), (14, 2162020), (20, 1513414), (28, 1081010), (35, 864808), (40, 756707), (49, 617720), (56, 540505), (70, 432404), (98, 308860), (140, 216202), (196, 154430), (245, 123544), (280, 108101), (392, 77215), (490, 61772), (980, 30886), (1960, 15443)]