202990640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{110321}}^1$

素因数の和:110357

約数の個数: 40

約数和(自身を含む): 492477408

約数和(自身を除く): 289486768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 110321, 220642, 441284, 551605, 882568, 1103210, 1765136, 2206420, 2537383, 4412840, 5074766, 8825680, 10149532, 12686915, 20299064, 25373830, 40598128, 50747660, 101495320, 202990640]

約数ペア:

[(1, 202990640), (2, 101495320), (4, 50747660), (5, 40598128), (8, 25373830), (10, 20299064), (16, 12686915), (20, 10149532), (23, 8825680), (40, 5074766), (46, 4412840), (80, 2537383), (92, 2206420), (115, 1765136), (184, 1103210), (230, 882568), (368, 551605), (460, 441284), (920, 220642), (1840, 110321)]