328650980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{123553}}^1$

素因数の和:123588

約数の個数: 48

約数和(自身を含む): 830282880

約数和(自身を除く): 501631900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 123553, 247106, 494212, 617765, 864871, 1235530, 1729742, 2347507, 2471060, 3459484, 4324355, 4695014, 8648710, 9390028, 11737535, 16432549, 17297420, 23475070, 32865098, 46950140, 65730196, 82162745, 164325490, 328650980]

約数ペア:

[(1, 328650980), (2, 164325490), (4, 82162745), (5, 65730196), (7, 46950140), (10, 32865098), (14, 23475070), (19, 17297420), (20, 16432549), (28, 11737535), (35, 9390028), (38, 8648710), (70, 4695014), (76, 4324355), (95, 3459484), (133, 2471060), (140, 2347507), (190, 1729742), (266, 1235530), (380, 864871), (532, 617765), (665, 494212), (1330, 247106), (2660, 123553)]