216845840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{117851}}^1$

素因数の和:117887

約数の個数: 40

約数和(自身を含む): 526091328

約数和(自身を除く): 309245488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 117851, 235702, 471404, 589255, 942808, 1178510, 1885616, 2357020, 2710573, 4714040, 5421146, 9428080, 10842292, 13552865, 21684584, 27105730, 43369168, 54211460, 108422920, 216845840]

約数ペア:

[(1, 216845840), (2, 108422920), (4, 54211460), (5, 43369168), (8, 27105730), (10, 21684584), (16, 13552865), (20, 10842292), (23, 9428080), (40, 5421146), (46, 4714040), (80, 2710573), (92, 2357020), (115, 1885616), (184, 1178510), (230, 942808), (368, 589255), (460, 471404), (920, 235702), (1840, 117851)]