198615900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 661068800

約数和(自身を除く): 462452900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 271, 300, 349, 350, 420, 525, 542, 698, 700, 813, 1047, 1050, 1084, 1355, 1396, 1626, 1745, 1897, 2094, 2100, 2443, 2710, 3252, 3490, 3794, 4065, 4188, 4886, 5235, 5420, 5691, 6775, 6980, 7329, 7588, 8130, 8725, 9485, 9772, 10470, 11382, 12215, 13550, 14658, 16260, 17450, 18970, 20325, 20940, 22764, 24430, 26175, 27100, 28455, 29316, 34900, 36645, 37940, 40650, 47425, 48860, 52350, 56910, 61075, 73290, 81300, 94579, 94850, 104700, 113820, 122150, 142275, 146580, 183225, 189158, 189700, 244300, 283737, 284550, 366450, 378316, 472895, 567474, 569100, 662053, 732900, 945790, 1134948, 1324106, 1418685, 1891580, 1986159, 2364475, 2648212, 2837370, 3310265, 3972318, 4728950, 5674740, 6620530, 7093425, 7944636, 9457900, 9930795, 13241060, 14186850, 16551325, 19861590, 28373700, 33102650, 39723180, 49653975, 66205300, 99307950, 198615900]

約数ペア:

[(1, 198615900), (2, 99307950), (3, 66205300), (4, 49653975), (5, 39723180), (6, 33102650), (7, 28373700), (10, 19861590), (12, 16551325), (14, 14186850), (15, 13241060), (20, 9930795), (21, 9457900), (25, 7944636), (28, 7093425), (30, 6620530), (35, 5674740), (42, 4728950), (50, 3972318), (60, 3310265), (70, 2837370), (75, 2648212), (84, 2364475), (100, 1986159), (105, 1891580), (140, 1418685), (150, 1324106), (175, 1134948), (210, 945790), (271, 732900), (300, 662053), (349, 569100), (350, 567474), (420, 472895), (525, 378316), (542, 366450), (698, 284550), (700, 283737), (813, 244300), (1047, 189700), (1050, 189158), (1084, 183225), (1355, 146580), (1396, 142275), (1626, 122150), (1745, 113820), (1897, 104700), (2094, 94850), (2100, 94579), (2443, 81300), (2710, 73290), (3252, 61075), (3490, 56910), (3794, 52350), (4065, 48860), (4188, 47425), (4886, 40650), (5235, 37940), (5420, 36645), (5691, 34900), (6775, 29316), (6980, 28455), (7329, 27100), (7588, 26175), (8130, 24430), (8725, 22764), (9485, 20940), (9772, 20325), (10470, 18970), (11382, 17450), (12215, 16260), (13550, 14658)]