156388645

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 229824000

約数和(自身を除く): 73435355

約数列:

[1, 5, 7, 31, 35, 49, 59, 155, 217, 245, 295, 349, 413, 1085, 1519, 1745, 1829, 2065, 2443, 2891, 7595, 9145, 10819, 12215, 12803, 14455, 17101, 20591, 54095, 64015, 75733, 85505, 89621, 102955, 144137, 378665, 448105, 530131, 638321, 720685, 1008959, 2650655, 3191605, 4468247, 5044795, 22341235, 31277729, 156388645]

約数ペア:

[(1, 156388645), (5, 31277729), (7, 22341235), (31, 5044795), (35, 4468247), (49, 3191605), (59, 2650655), (155, 1008959), (217, 720685), (245, 638321), (295, 530131), (349, 448105), (413, 378665), (1085, 144137), (1519, 102955), (1745, 89621), (1829, 85505), (2065, 75733), (2443, 64015), (2891, 54095), (7595, 20591), (9145, 17101), (10819, 14455), (12215, 12803)]