284353840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 682742016

約数和(自身を除く): 398388176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 131, 172, 215, 262, 344, 430, 524, 631, 655, 688, 860, 1048, 1262, 1310, 1720, 2096, 2524, 2620, 3155, 3440, 5048, 5240, 5633, 6310, 10096, 10480, 11266, 12620, 22532, 25240, 27133, 28165, 45064, 50480, 54266, 56330, 82661, 90128, 108532, 112660, 135665, 165322, 217064, 225320, 271330, 330644, 413305, 434128, 450640, 542660, 661288, 826610, 1085320, 1322576, 1653220, 2170640, 3306440, 3554423, 6612880, 7108846, 14217692, 17772115, 28435384, 35544230, 56870768, 71088460, 142176920, 284353840]

約数ペア:

[(1, 284353840), (2, 142176920), (4, 71088460), (5, 56870768), (8, 35544230), (10, 28435384), (16, 17772115), (20, 14217692), (40, 7108846), (43, 6612880), (80, 3554423), (86, 3306440), (131, 2170640), (172, 1653220), (215, 1322576), (262, 1085320), (344, 826610), (430, 661288), (524, 542660), (631, 450640), (655, 434128), (688, 413305), (860, 330644), (1048, 271330), (1262, 225320), (1310, 217064), (1720, 165322), (2096, 135665), (2524, 112660), (2620, 108532), (3155, 90128), (3440, 82661), (5048, 56330), (5240, 54266), (5633, 50480), (6310, 45064), (10096, 28165), (10480, 27133), (11266, 25240), (12620, 22532)]