213788400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 240

約数和(自身を含む): 808900608

約数和(自身を除く): 595112208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 48, 50, 56, 60, 62, 70, 75, 80, 84, 93, 100, 105, 112, 120, 124, 140, 150, 155, 168, 175, 186, 200, 210, 217, 240, 248, 280, 300, 310, 336, 350, 372, 400, 420, 434, 465, 496, 525, 560, 600, 620, 651, 700, 744, 775, 821, 840, 868, 930, 1050, 1085, 1200, 1240, 1302, 1400, 1488, 1550, 1642, 1680, 1736, 1860, 2100, 2170, 2325, 2463, 2480, 2604, 2800, 3100, 3255, 3284, 3472, 3720, 4105, 4200, 4340, 4650, 4926, 5208, 5425, 5747, 6200, 6510, 6568, 7440, 8210, 8400, 8680, 9300, 9852, 10416, 10850, 11494, 12315, 12400, 13020, 13136, 16275, 16420, 17241, 17360, 18600, 19704, 20525, 21700, 22988, 24630, 25451, 26040, 28735, 32550, 32840, 34482, 37200, 39408, 41050, 43400, 45976, 49260, 50902, 52080, 57470, 61575, 65100, 65680, 68964, 76353, 82100, 86205, 86800, 91952, 98520, 101804, 114940, 123150, 127255, 130200, 137928, 143675, 152706, 164200, 172410, 178157, 197040, 203608, 229880, 246300, 254510, 260400, 275856, 287350, 305412, 328400, 344820, 356314, 381765, 407216, 431025, 459760, 492600, 509020, 534471, 574700, 610824, 636275, 689640, 712628, 763530, 862050, 890785, 985200, 1018040, 1068942, 1149400, 1221648, 1272550, 1379280, 1425256, 1527060, 1724100, 1781570, 1908825, 2036080, 2137884, 2298800, 2545100, 2672355, 2850512, 3054120, 3448200, 3563140, 3817650, 4275768, 4453925, 5090200, 5344710, 6108240, 6896400, 7126280, 7635300, 8551536, 8907850, 10180400, 10689420, 13361775, 14252560, 15270600, 17815700, 21378840, 26723550, 30541200, 35631400, 42757680, 53447100, 71262800, 106894200, 213788400]

約数ペア:

[(1, 213788400), (2, 106894200), (3, 71262800), (4, 53447100), (5, 42757680), (6, 35631400), (7, 30541200), (8, 26723550), (10, 21378840), (12, 17815700), (14, 15270600), (15, 14252560), (16, 13361775), (20, 10689420), (21, 10180400), (24, 8907850), (25, 8551536), (28, 7635300), (30, 7126280), (31, 6896400), (35, 6108240), (40, 5344710), (42, 5090200), (48, 4453925), (50, 4275768), (56, 3817650), (60, 3563140), (62, 3448200), (70, 3054120), (75, 2850512), (80, 2672355), (84, 2545100), (93, 2298800), (100, 2137884), (105, 2036080), (112, 1908825), (120, 1781570), (124, 1724100), (140, 1527060), (150, 1425256), (155, 1379280), (168, 1272550), (175, 1221648), (186, 1149400), (200, 1068942), (210, 1018040), (217, 985200), (240, 890785), (248, 862050), (280, 763530), (300, 712628), (310, 689640), (336, 636275), (350, 610824), (372, 574700), (400, 534471), (420, 509020), (434, 492600), (465, 459760), (496, 431025), (525, 407216), (560, 381765), (600, 356314), (620, 344820), (651, 328400), (700, 305412), (744, 287350), (775, 275856), (821, 260400), (840, 254510), (868, 246300), (930, 229880), (1050, 203608), (1085, 197040), (1200, 178157), (1240, 172410), (1302, 164200), (1400, 152706), (1488, 143675), (1550, 137928), (1642, 130200), (1680, 127255), (1736, 123150), (1860, 114940), (2100, 101804), (2170, 98520), (2325, 91952), (2463, 86800), (2480, 86205), (2604, 82100), (2800, 76353), (3100, 68964), (3255, 65680), (3284, 65100), (3472, 61575), (3720, 57470), (4105, 52080), (4200, 50902), (4340, 49260), (4650, 45976), (4926, 43400), (5208, 41050), (5425, 39408), (5747, 37200), (6200, 34482), (6510, 32840), (6568, 32550), (7440, 28735), (8210, 26040), (8400, 25451), (8680, 24630), (9300, 22988), (9852, 21700), (10416, 20525), (10850, 19704), (11494, 18600), (12315, 17360), (12400, 17241), (13020, 16420), (13136, 16275)]