9996490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 21866112

約数和(自身を除く): 11869622

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 887, 1127, 1610, 1774, 2254, 4435, 5635, 6209, 8870, 11270, 12418, 20401, 31045, 40802, 43463, 62090, 86926, 102005, 142807, 204010, 217315, 285614, 434630, 714035, 999649, 1428070, 1999298, 4998245, 9996490]

約数ペア:

[(1, 9996490), (2, 4998245), (5, 1999298), (7, 1428070), (10, 999649), (14, 714035), (23, 434630), (35, 285614), (46, 217315), (49, 204010), (70, 142807), (98, 102005), (115, 86926), (161, 62090), (230, 43463), (245, 40802), (322, 31045), (490, 20401), (805, 12418), (887, 11270), (1127, 8870), (1610, 6209), (1774, 5635), (2254, 4435)]