381133240

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{15443}}^1$

素因数の和:16071

約数の個数: 32

約数和(自身を含む): 858995280

約数和(自身を除く): 477862040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 12340, 15443, 24680, 30886, 61772, 77215, 123544, 154430, 308860, 617720, 9528331, 19056662, 38113324, 47641655, 76226648, 95283310, 190566620, 381133240]

約数ペア:

[(1, 381133240), (2, 190566620), (4, 95283310), (5, 76226648), (8, 47641655), (10, 38113324), (20, 19056662), (40, 9528331), (617, 617720), (1234, 308860), (2468, 154430), (3085, 123544), (4936, 77215), (6170, 61772), (12340, 30886), (15443, 24680)]