209448400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 240

約数和(自身を含む): 629800960

約数和(自身を除く): 420352560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 31, 35, 38, 40, 50, 56, 62, 70, 76, 80, 95, 100, 112, 124, 127, 133, 140, 152, 155, 175, 190, 200, 217, 248, 254, 266, 280, 304, 310, 350, 380, 400, 434, 475, 496, 508, 532, 560, 589, 620, 635, 665, 700, 760, 775, 868, 889, 950, 1016, 1064, 1085, 1178, 1240, 1270, 1330, 1400, 1520, 1550, 1736, 1778, 1900, 2032, 2128, 2170, 2356, 2413, 2480, 2540, 2660, 2800, 2945, 3100, 3175, 3325, 3472, 3556, 3800, 3937, 4123, 4340, 4445, 4712, 4826, 5080, 5320, 5425, 5890, 6200, 6350, 6650, 7112, 7600, 7874, 8246, 8680, 8890, 9424, 9652, 10160, 10640, 10850, 11780, 12065, 12400, 12700, 13300, 14224, 14725, 15748, 16492, 16891, 17360, 17780, 19304, 19685, 20615, 21700, 22225, 23560, 24130, 25400, 26600, 27559, 29450, 31496, 32984, 33782, 35560, 38608, 39370, 41230, 43400, 44450, 47120, 48260, 50800, 53200, 55118, 58900, 60325, 62992, 65968, 67564, 71120, 74803, 78740, 82460, 84455, 86800, 88900, 96520, 98425, 103075, 110236, 117800, 120650, 135128, 137795, 149606, 157480, 164920, 168910, 177800, 193040, 196850, 206150, 220472, 235600, 241300, 270256, 275590, 299212, 314960, 329840, 337820, 355600, 374015, 393700, 412300, 422275, 440944, 482600, 523621, 551180, 598424, 675640, 688975, 748030, 787400, 824600, 844550, 965200, 1047242, 1102360, 1196848, 1351280, 1377950, 1496060, 1574800, 1649200, 1689100, 1870075, 2094484, 2204720, 2618105, 2755900, 2992120, 3378200, 3740150, 4188968, 5236210, 5511800, 5984240, 6756400, 7480300, 8377936, 10472420, 11023600, 13090525, 14960600, 20944840, 26181050, 29921200, 41889680, 52362100, 104724200, 209448400]

約数ペア:

[(1, 209448400), (2, 104724200), (4, 52362100), (5, 41889680), (7, 29921200), (8, 26181050), (10, 20944840), (14, 14960600), (16, 13090525), (19, 11023600), (20, 10472420), (25, 8377936), (28, 7480300), (31, 6756400), (35, 5984240), (38, 5511800), (40, 5236210), (50, 4188968), (56, 3740150), (62, 3378200), (70, 2992120), (76, 2755900), (80, 2618105), (95, 2204720), (100, 2094484), (112, 1870075), (124, 1689100), (127, 1649200), (133, 1574800), (140, 1496060), (152, 1377950), (155, 1351280), (175, 1196848), (190, 1102360), (200, 1047242), (217, 965200), (248, 844550), (254, 824600), (266, 787400), (280, 748030), (304, 688975), (310, 675640), (350, 598424), (380, 551180), (400, 523621), (434, 482600), (475, 440944), (496, 422275), (508, 412300), (532, 393700), (560, 374015), (589, 355600), (620, 337820), (635, 329840), (665, 314960), (700, 299212), (760, 275590), (775, 270256), (868, 241300), (889, 235600), (950, 220472), (1016, 206150), (1064, 196850), (1085, 193040), (1178, 177800), (1240, 168910), (1270, 164920), (1330, 157480), (1400, 149606), (1520, 137795), (1550, 135128), (1736, 120650), (1778, 117800), (1900, 110236), (2032, 103075), (2128, 98425), (2170, 96520), (2356, 88900), (2413, 86800), (2480, 84455), (2540, 82460), (2660, 78740), (2800, 74803), (2945, 71120), (3100, 67564), (3175, 65968), (3325, 62992), (3472, 60325), (3556, 58900), (3800, 55118), (3937, 53200), (4123, 50800), (4340, 48260), (4445, 47120), (4712, 44450), (4826, 43400), (5080, 41230), (5320, 39370), (5425, 38608), (5890, 35560), (6200, 33782), (6350, 32984), (6650, 31496), (7112, 29450), (7600, 27559), (7874, 26600), (8246, 25400), (8680, 24130), (8890, 23560), (9424, 22225), (9652, 21700), (10160, 20615), (10640, 19685), (10850, 19304), (11780, 17780), (12065, 17360), (12400, 16891), (12700, 16492), (13300, 15748), (14224, 14725)]