4855990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 9351936

約数和(自身を除く): 4495946

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 491, 982, 989, 1978, 2455, 4910, 4945, 9890, 11293, 21113, 22586, 42226, 56465, 105565, 112930, 211130, 485599, 971198, 2427995, 4855990]

約数ペア:

[(1, 4855990), (2, 2427995), (5, 971198), (10, 485599), (23, 211130), (43, 112930), (46, 105565), (86, 56465), (115, 42226), (215, 22586), (230, 21113), (430, 11293), (491, 9890), (982, 4945), (989, 4910), (1978, 2455)]