90246940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28027}}^1$

素因数の和:28066

約数の個数: 48

約数和(自身を含む): 226017792

約数和(自身を除く): 135770852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 28027, 56054, 112108, 140135, 196189, 280270, 392378, 560540, 644621, 784756, 980945, 1289242, 1961890, 2578484, 3223105, 3923780, 4512347, 6446210, 9024694, 12892420, 18049388, 22561735, 45123470, 90246940]

約数ペア:

[(1, 90246940), (2, 45123470), (4, 22561735), (5, 18049388), (7, 12892420), (10, 9024694), (14, 6446210), (20, 4512347), (23, 3923780), (28, 3223105), (35, 2578484), (46, 1961890), (70, 1289242), (92, 980945), (115, 784756), (140, 644621), (161, 560540), (230, 392378), (322, 280270), (460, 196189), (644, 140135), (805, 112108), (1610, 56054), (3220, 28027)]