213202500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 240

約数和(自身を含む): 738963456

約数和(自身を除く): 525760956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 125, 131, 140, 150, 155, 175, 186, 210, 217, 250, 262, 300, 310, 350, 372, 375, 393, 420, 434, 465, 500, 524, 525, 620, 625, 651, 655, 700, 750, 775, 786, 868, 875, 917, 930, 1050, 1085, 1250, 1302, 1310, 1500, 1550, 1572, 1750, 1834, 1860, 1875, 1965, 2100, 2170, 2325, 2500, 2604, 2620, 2625, 2751, 3100, 3255, 3275, 3500, 3668, 3750, 3875, 3930, 4061, 4340, 4375, 4585, 4650, 5250, 5425, 5502, 6510, 6550, 7500, 7750, 7860, 8122, 8750, 9170, 9300, 9825, 10500, 10850, 11004, 11625, 12183, 13020, 13100, 13125, 13755, 15500, 16244, 16275, 16375, 17500, 18340, 19375, 19650, 20305, 21700, 22925, 23250, 24366, 26250, 27125, 27510, 28427, 32550, 32750, 38750, 39300, 40610, 45850, 46500, 48732, 49125, 52500, 54250, 55020, 56854, 58125, 60915, 65100, 65500, 68775, 77500, 81220, 81375, 81875, 85281, 91700, 98250, 101525, 108500, 113708, 114625, 116250, 121830, 135625, 137550, 142135, 162750, 163750, 170562, 196500, 203050, 229250, 232500, 243660, 245625, 271250, 275100, 284270, 304575, 325500, 327500, 341124, 343875, 406100, 406875, 426405, 458500, 491250, 507625, 542500, 568540, 573125, 609150, 687750, 710675, 813750, 852810, 982500, 1015250, 1146250, 1218300, 1375500, 1421350, 1522875, 1627500, 1705620, 1719375, 2030500, 2132025, 2292500, 2538125, 2842700, 3045750, 3438750, 3553375, 4264050, 5076250, 6091500, 6877500, 7106750, 7614375, 8528100, 10152500, 10660125, 14213500, 15228750, 17766875, 21320250, 30457500, 35533750, 42640500, 53300625, 71067500, 106601250, 213202500]

約数ペア:

[(1, 213202500), (2, 106601250), (3, 71067500), (4, 53300625), (5, 42640500), (6, 35533750), (7, 30457500), (10, 21320250), (12, 17766875), (14, 15228750), (15, 14213500), (20, 10660125), (21, 10152500), (25, 8528100), (28, 7614375), (30, 7106750), (31, 6877500), (35, 6091500), (42, 5076250), (50, 4264050), (60, 3553375), (62, 3438750), (70, 3045750), (75, 2842700), (84, 2538125), (93, 2292500), (100, 2132025), (105, 2030500), (124, 1719375), (125, 1705620), (131, 1627500), (140, 1522875), (150, 1421350), (155, 1375500), (175, 1218300), (186, 1146250), (210, 1015250), (217, 982500), (250, 852810), (262, 813750), (300, 710675), (310, 687750), (350, 609150), (372, 573125), (375, 568540), (393, 542500), (420, 507625), (434, 491250), (465, 458500), (500, 426405), (524, 406875), (525, 406100), (620, 343875), (625, 341124), (651, 327500), (655, 325500), (700, 304575), (750, 284270), (775, 275100), (786, 271250), (868, 245625), (875, 243660), (917, 232500), (930, 229250), (1050, 203050), (1085, 196500), (1250, 170562), (1302, 163750), (1310, 162750), (1500, 142135), (1550, 137550), (1572, 135625), (1750, 121830), (1834, 116250), (1860, 114625), (1875, 113708), (1965, 108500), (2100, 101525), (2170, 98250), (2325, 91700), (2500, 85281), (2604, 81875), (2620, 81375), (2625, 81220), (2751, 77500), (3100, 68775), (3255, 65500), (3275, 65100), (3500, 60915), (3668, 58125), (3750, 56854), (3875, 55020), (3930, 54250), (4061, 52500), (4340, 49125), (4375, 48732), (4585, 46500), (4650, 45850), (5250, 40610), (5425, 39300), (5502, 38750), (6510, 32750), (6550, 32550), (7500, 28427), (7750, 27510), (7860, 27125), (8122, 26250), (8750, 24366), (9170, 23250), (9300, 22925), (9825, 21700), (10500, 20305), (10850, 19650), (11004, 19375), (11625, 18340), (12183, 17500), (13020, 16375), (13100, 16275), (13125, 16244), (13755, 15500)]