208068780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{203989}}^1$

素因数の和:204018

約数の個数: 48

約数和(自身を含む): 616865760

約数和(自身を除く): 408796980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 203989, 407978, 611967, 815956, 1019945, 1223934, 2039890, 2447868, 3059835, 3467813, 4079780, 6119670, 6935626, 10403439, 12239340, 13871252, 17339065, 20806878, 34678130, 41613756, 52017195, 69356260, 104034390, 208068780]

約数ペア:

[(1, 208068780), (2, 104034390), (3, 69356260), (4, 52017195), (5, 41613756), (6, 34678130), (10, 20806878), (12, 17339065), (15, 13871252), (17, 12239340), (20, 10403439), (30, 6935626), (34, 6119670), (51, 4079780), (60, 3467813), (68, 3059835), (85, 2447868), (102, 2039890), (170, 1223934), (204, 1019945), (255, 815956), (340, 611967), (510, 407978), (1020, 203989)]