2905438420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{45497}}^1$

素因数の和:45640

約数の個数: 48

約数和(自身を含む): 6359528448

約数和(自身を除く): 3454090028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 3193, 6386, 12772, 15965, 31930, 45497, 63860, 90994, 181988, 227485, 454970, 909940, 1410407, 2820814, 4686191, 5641628, 7052035, 9372382, 14104070, 18744764, 23430955, 28208140, 46861910, 93723820, 145271921, 290543842, 581087684, 726359605, 1452719210, 2905438420]

約数ペア:

[(1, 2905438420), (2, 1452719210), (4, 726359605), (5, 581087684), (10, 290543842), (20, 145271921), (31, 93723820), (62, 46861910), (103, 28208140), (124, 23430955), (155, 18744764), (206, 14104070), (310, 9372382), (412, 7052035), (515, 5641628), (620, 4686191), (1030, 2820814), (2060, 1410407), (3193, 909940), (6386, 454970), (12772, 227485), (15965, 181988), (31930, 90994), (45497, 63860)]