938476720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{272813}}^1$

素因数の和:272869

約数の個数: 40

約数和(自身を含む): 2232709776

約数和(自身を除く): 1294233056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 272813, 545626, 1091252, 1364065, 2182504, 2728130, 4365008, 5456260, 10912520, 11730959, 21825040, 23461918, 46923836, 58654795, 93847672, 117309590, 187695344, 234619180, 469238360, 938476720]

約数ペア:

[(1, 938476720), (2, 469238360), (4, 234619180), (5, 187695344), (8, 117309590), (10, 93847672), (16, 58654795), (20, 46923836), (40, 23461918), (43, 21825040), (80, 11730959), (86, 10912520), (172, 5456260), (215, 4365008), (344, 2728130), (430, 2182504), (688, 1364065), (860, 1091252), (1720, 545626), (3440, 272813)]