2090470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 4017600

約数和(自身を除く): 1927130

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 149, 230, 298, 305, 610, 745, 1403, 1490, 2806, 3427, 6854, 7015, 9089, 14030, 17135, 18178, 34270, 45445, 90890, 209047, 418094, 1045235, 2090470]

約数ペア:

[(1, 2090470), (2, 1045235), (5, 418094), (10, 209047), (23, 90890), (46, 45445), (61, 34270), (115, 18178), (122, 17135), (149, 14030), (230, 9089), (298, 7015), (305, 6854), (610, 3427), (745, 2806), (1403, 1490)]