199881900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11689}}^1$

素因数の和:11728

約数の個数: 108

約数和(自身を含む): 659549800

約数和(自身を除く): 459667900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 11689, 17100, 23378, 35067, 46756, 58445, 70134, 105201, 116890, 140268, 175335, 210402, 222091, 233780, 292225, 350670, 420804, 444182, 526005, 584450, 666273, 701340, 876675, 888364, 1052010, 1110455, 1168900, 1332546, 1753350, 1998819, 2104020, 2220910, 2630025, 2665092, 3331365, 3506700, 3997638, 4441820, 5260050, 5552275, 6662730, 7995276, 9994095, 10520100, 11104550, 13325460, 16656825, 19988190, 22209100, 33313650, 39976380, 49970475, 66627300, 99940950, 199881900]

約数ペア:

[(1, 199881900), (2, 99940950), (3, 66627300), (4, 49970475), (5, 39976380), (6, 33313650), (9, 22209100), (10, 19988190), (12, 16656825), (15, 13325460), (18, 11104550), (19, 10520100), (20, 9994095), (25, 7995276), (30, 6662730), (36, 5552275), (38, 5260050), (45, 4441820), (50, 3997638), (57, 3506700), (60, 3331365), (75, 2665092), (76, 2630025), (90, 2220910), (95, 2104020), (100, 1998819), (114, 1753350), (150, 1332546), (171, 1168900), (180, 1110455), (190, 1052010), (225, 888364), (228, 876675), (285, 701340), (300, 666273), (342, 584450), (380, 526005), (450, 444182), (475, 420804), (570, 350670), (684, 292225), (855, 233780), (900, 222091), (950, 210402), (1140, 175335), (1425, 140268), (1710, 116890), (1900, 105201), (2850, 70134), (3420, 58445), (4275, 46756), (5700, 35067), (8550, 23378), (11689, 17100)]