138839390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{7591}}^1$

素因数の和:7688

約数の個数: 32

約数和(自身を含む): 262379520

約数和(自身を除く): 123540130

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1829, 3658, 7591, 9145, 15182, 18290, 37955, 75910, 235321, 447869, 470642, 895738, 1176605, 2239345, 2353210, 4478690, 13883939, 27767878, 69419695, 138839390]

約数ペア:

[(1, 138839390), (2, 69419695), (5, 27767878), (10, 13883939), (31, 4478690), (59, 2353210), (62, 2239345), (118, 1176605), (155, 895738), (295, 470642), (310, 447869), (590, 235321), (1829, 75910), (3658, 37955), (7591, 18290), (9145, 15182)]