208406800

素因数分解:

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

素因数の和:84

約数の個数: 180

約数和(自身を含む): 602985216

約数和(自身を除く): 394578416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 343, 350, 392, 400, 434, 490, 496, 560, 620, 686, 700, 775, 784, 868, 980, 1085, 1225, 1240, 1372, 1400, 1519, 1550, 1715, 1736, 1960, 2170, 2401, 2450, 2480, 2744, 2800, 3038, 3100, 3430, 3472, 3920, 4340, 4802, 4900, 5425, 5488, 6076, 6200, 6860, 7595, 8575, 8680, 9604, 9800, 10633, 10850, 12005, 12152, 12400, 13720, 15190, 16807, 17150, 17360, 19208, 19600, 21266, 21700, 24010, 24304, 27440, 30380, 33614, 34300, 37975, 38416, 42532, 43400, 48020, 53165, 60025, 60760, 67228, 68600, 74431, 75950, 84035, 85064, 86800, 96040, 106330, 120050, 121520, 134456, 137200, 148862, 151900, 168070, 170128, 192080, 212660, 240100, 265825, 268912, 297724, 303800, 336140, 372155, 420175, 425320, 480200, 521017, 531650, 595448, 607600, 672280, 744310, 840350, 850640, 960400, 1042034, 1063300, 1190896, 1344560, 1488620, 1680700, 1860775, 2084068, 2126600, 2605085, 2977240, 3361400, 3721550, 4168136, 4253200, 5210170, 5954480, 6722800, 7443100, 8336272, 10420340, 13025425, 14886200, 20840680, 26050850, 29772400, 41681360, 52101700, 104203400, 208406800]

約数ペア:

[(1, 208406800), (2, 104203400), (4, 52101700), (5, 41681360), (7, 29772400), (8, 26050850), (10, 20840680), (14, 14886200), (16, 13025425), (20, 10420340), (25, 8336272), (28, 7443100), (31, 6722800), (35, 5954480), (40, 5210170), (49, 4253200), (50, 4168136), (56, 3721550), (62, 3361400), (70, 2977240), (80, 2605085), (98, 2126600), (100, 2084068), (112, 1860775), (124, 1680700), (140, 1488620), (155, 1344560), (175, 1190896), (196, 1063300), (200, 1042034), (217, 960400), (245, 850640), (248, 840350), (280, 744310), (310, 672280), (343, 607600), (350, 595448), (392, 531650), (400, 521017), (434, 480200), (490, 425320), (496, 420175), (560, 372155), (620, 336140), (686, 303800), (700, 297724), (775, 268912), (784, 265825), (868, 240100), (980, 212660), (1085, 192080), (1225, 170128), (1240, 168070), (1372, 151900), (1400, 148862), (1519, 137200), (1550, 134456), (1715, 121520), (1736, 120050), (1960, 106330), (2170, 96040), (2401, 86800), (2450, 85064), (2480, 84035), (2744, 75950), (2800, 74431), (3038, 68600), (3100, 67228), (3430, 60760), (3472, 60025), (3920, 53165), (4340, 48020), (4802, 43400), (4900, 42532), (5425, 38416), (5488, 37975), (6076, 34300), (6200, 33614), (6860, 30380), (7595, 27440), (8575, 24304), (8680, 24010), (9604, 21700), (9800, 21266), (10633, 19600), (10850, 19208), (12005, 17360), (12152, 17150), (12400, 16807), (13720, 15190)]