347990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 699840

約数和(自身を除く): 351850

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 89, 115, 170, 178, 230, 391, 445, 782, 890, 1513, 1955, 2047, 3026, 3910, 4094, 7565, 10235, 15130, 20470, 34799, 69598, 173995, 347990]

約数ペア:

[(1, 347990), (2, 173995), (5, 69598), (10, 34799), (17, 20470), (23, 15130), (34, 10235), (46, 7565), (85, 4094), (89, 3910), (115, 3026), (170, 2047), (178, 1955), (230, 1513), (391, 890), (445, 782)]