199900400

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 240

約数和(自身を含む): 590438400

約数和(自身を除く): 390538000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 47, 49, 50, 56, 62, 70, 80, 94, 98, 100, 112, 124, 140, 155, 175, 188, 196, 200, 217, 235, 245, 248, 280, 310, 329, 343, 350, 376, 392, 400, 434, 470, 490, 496, 560, 620, 658, 686, 700, 752, 775, 784, 868, 940, 980, 1085, 1175, 1225, 1240, 1316, 1372, 1400, 1457, 1519, 1550, 1645, 1715, 1736, 1880, 1960, 2170, 2303, 2350, 2450, 2480, 2632, 2744, 2800, 2914, 3038, 3100, 3290, 3430, 3472, 3760, 3920, 4340, 4606, 4700, 4900, 5264, 5425, 5488, 5828, 6076, 6200, 6580, 6860, 7285, 7595, 8225, 8575, 8680, 9212, 9400, 9800, 10199, 10633, 10850, 11515, 11656, 12152, 12400, 13160, 13720, 14570, 15190, 16121, 16450, 17150, 17360, 18424, 18800, 19600, 20398, 21266, 21700, 23030, 23312, 24304, 26320, 27440, 29140, 30380, 32242, 32900, 34300, 36425, 36848, 37975, 40796, 42532, 43400, 46060, 50995, 53165, 57575, 58280, 60760, 64484, 65800, 68600, 71393, 72850, 75950, 80605, 81592, 85064, 86800, 92120, 101990, 106330, 115150, 116560, 121520, 128968, 131600, 137200, 142786, 145700, 151900, 161210, 163184, 170128, 184240, 203980, 212660, 230300, 254975, 257936, 265825, 285572, 291400, 303800, 322420, 356965, 403025, 407960, 425320, 460600, 499751, 509950, 531650, 571144, 582800, 607600, 644840, 713930, 806050, 815920, 850640, 921200, 999502, 1019900, 1063300, 1142288, 1289680, 1427860, 1612100, 1784825, 1999004, 2039800, 2126600, 2498755, 2855720, 3224200, 3569650, 3998008, 4079600, 4253200, 4997510, 5711440, 6448400, 7139300, 7996016, 9995020, 12493775, 14278600, 19990040, 24987550, 28557200, 39980080, 49975100, 99950200, 199900400]

約数ペア:

[(1, 199900400), (2, 99950200), (4, 49975100), (5, 39980080), (7, 28557200), (8, 24987550), (10, 19990040), (14, 14278600), (16, 12493775), (20, 9995020), (25, 7996016), (28, 7139300), (31, 6448400), (35, 5711440), (40, 4997510), (47, 4253200), (49, 4079600), (50, 3998008), (56, 3569650), (62, 3224200), (70, 2855720), (80, 2498755), (94, 2126600), (98, 2039800), (100, 1999004), (112, 1784825), (124, 1612100), (140, 1427860), (155, 1289680), (175, 1142288), (188, 1063300), (196, 1019900), (200, 999502), (217, 921200), (235, 850640), (245, 815920), (248, 806050), (280, 713930), (310, 644840), (329, 607600), (343, 582800), (350, 571144), (376, 531650), (392, 509950), (400, 499751), (434, 460600), (470, 425320), (490, 407960), (496, 403025), (560, 356965), (620, 322420), (658, 303800), (686, 291400), (700, 285572), (752, 265825), (775, 257936), (784, 254975), (868, 230300), (940, 212660), (980, 203980), (1085, 184240), (1175, 170128), (1225, 163184), (1240, 161210), (1316, 151900), (1372, 145700), (1400, 142786), (1457, 137200), (1519, 131600), (1550, 128968), (1645, 121520), (1715, 116560), (1736, 115150), (1880, 106330), (1960, 101990), (2170, 92120), (2303, 86800), (2350, 85064), (2450, 81592), (2480, 80605), (2632, 75950), (2744, 72850), (2800, 71393), (2914, 68600), (3038, 65800), (3100, 64484), (3290, 60760), (3430, 58280), (3472, 57575), (3760, 53165), (3920, 50995), (4340, 46060), (4606, 43400), (4700, 42532), (4900, 40796), (5264, 37975), (5425, 36848), (5488, 36425), (5828, 34300), (6076, 32900), (6200, 32242), (6580, 30380), (6860, 29140), (7285, 27440), (7595, 26320), (8225, 24304), (8575, 23312), (8680, 23030), (9212, 21700), (9400, 21266), (9800, 20398), (10199, 19600), (10633, 18800), (10850, 18424), (11515, 17360), (11656, 17150), (12152, 16450), (12400, 16121), (13160, 15190), (13720, 14570)]