198497200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:455

約数の個数: 120

約数和(自身を含む): 525167280

約数和(自身を除く): 326670080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 197, 200, 220, 229, 275, 394, 400, 440, 458, 550, 788, 880, 916, 985, 1100, 1145, 1576, 1832, 1970, 2167, 2200, 2290, 2519, 3152, 3664, 3940, 4334, 4400, 4580, 4925, 5038, 5725, 7880, 8668, 9160, 9850, 10076, 10835, 11450, 12595, 15760, 17336, 18320, 19700, 20152, 21670, 22900, 25190, 34672, 39400, 40304, 43340, 45113, 45800, 50380, 54175, 62975, 78800, 86680, 90226, 91600, 100760, 108350, 125950, 173360, 180452, 201520, 216700, 225565, 251900, 360904, 433400, 451130, 496243, 503800, 721808, 866800, 902260, 992486, 1007600, 1127825, 1804520, 1984972, 2255650, 2481215, 3609040, 3969944, 4511300, 4962430, 7939888, 9022600, 9924860, 12406075, 18045200, 19849720, 24812150, 39699440, 49624300, 99248600, 198497200]

約数ペア:

[(1, 198497200), (2, 99248600), (4, 49624300), (5, 39699440), (8, 24812150), (10, 19849720), (11, 18045200), (16, 12406075), (20, 9924860), (22, 9022600), (25, 7939888), (40, 4962430), (44, 4511300), (50, 3969944), (55, 3609040), (80, 2481215), (88, 2255650), (100, 1984972), (110, 1804520), (176, 1127825), (197, 1007600), (200, 992486), (220, 902260), (229, 866800), (275, 721808), (394, 503800), (400, 496243), (440, 451130), (458, 433400), (550, 360904), (788, 251900), (880, 225565), (916, 216700), (985, 201520), (1100, 180452), (1145, 173360), (1576, 125950), (1832, 108350), (1970, 100760), (2167, 91600), (2200, 90226), (2290, 86680), (2519, 78800), (3152, 62975), (3664, 54175), (3940, 50380), (4334, 45800), (4400, 45113), (4580, 43340), (4925, 40304), (5038, 39400), (5725, 34672), (7880, 25190), (8668, 22900), (9160, 21670), (9850, 20152), (10076, 19700), (10835, 18320), (11450, 17336), (12595, 15760)]