7884420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 22198848

約数和(自身を除く): 14314428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 397, 662, 794, 993, 1191, 1324, 1588, 1655, 1985, 1986, 2382, 3310, 3970, 3972, 4764, 4965, 5955, 6620, 7940, 9930, 11910, 19860, 23820, 131407, 262814, 394221, 525628, 657035, 788442, 1314070, 1576884, 1971105, 2628140, 3942210, 7884420]

約数ペア:

[(1, 7884420), (2, 3942210), (3, 2628140), (4, 1971105), (5, 1576884), (6, 1314070), (10, 788442), (12, 657035), (15, 525628), (20, 394221), (30, 262814), (60, 131407), (331, 23820), (397, 19860), (662, 11910), (794, 9930), (993, 7940), (1191, 6620), (1324, 5955), (1588, 4965), (1655, 4764), (1985, 3972), (1986, 3970), (2382, 3310)]