2019167420

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{443}}^1\times {\mathrm{653}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 4268527200

約数和(自身を除く): 2249359780

約数列:

[1, 2, 4, 5, 10, 20, 349, 443, 653, 698, 886, 1306, 1396, 1745, 1772, 2215, 2612, 3265, 3490, 4430, 6530, 6980, 8860, 13060, 154607, 227897, 289279, 309214, 455794, 578558, 618428, 773035, 911588, 1139485, 1157116, 1446395, 1546070, 2278970, 2892790, 3092140, 4557940, 5785580, 100958371, 201916742, 403833484, 504791855, 1009583710, 2019167420]

約数ペア:

[(1, 2019167420), (2, 1009583710), (4, 504791855), (5, 403833484), (10, 201916742), (20, 100958371), (349, 5785580), (443, 4557940), (653, 3092140), (698, 2892790), (886, 2278970), (1306, 1546070), (1396, 1446395), (1745, 1157116), (1772, 1139485), (2215, 911588), (2612, 773035), (3265, 618428), (3490, 578558), (4430, 455794), (6530, 309214), (6980, 289279), (8860, 227897), (13060, 154607)]