285764240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83071}}^1$

素因数の和:83127

約数の個数: 40

約数和(自身を含む): 679861248

約数和(自身を除く): 394097008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 83071, 166142, 332284, 415355, 664568, 830710, 1329136, 1661420, 3322840, 3572053, 6645680, 7144106, 14288212, 17860265, 28576424, 35720530, 57152848, 71441060, 142882120, 285764240]

約数ペア:

[(1, 285764240), (2, 142882120), (4, 71441060), (5, 57152848), (8, 35720530), (10, 28576424), (16, 17860265), (20, 14288212), (40, 7144106), (43, 6645680), (80, 3572053), (86, 3322840), (172, 1661420), (215, 1329136), (344, 830710), (430, 664568), (688, 415355), (860, 332284), (1720, 166142), (3440, 83071)]