129707900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 108

約数和(自身を含む): 331885008

約数和(自身を除く): 202177108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 103, 140, 175, 196, 206, 245, 257, 350, 412, 490, 514, 515, 700, 721, 980, 1028, 1030, 1225, 1285, 1442, 1799, 2060, 2450, 2570, 2575, 2884, 3598, 3605, 4900, 5047, 5140, 5150, 6425, 7196, 7210, 8995, 10094, 10300, 12593, 12850, 14420, 17990, 18025, 20188, 25186, 25235, 25700, 26471, 35980, 36050, 44975, 50372, 50470, 52942, 62965, 72100, 89950, 100940, 105884, 125930, 126175, 132355, 179900, 185297, 251860, 252350, 264710, 314825, 370594, 504700, 529420, 629650, 661775, 741188, 926485, 1259300, 1297079, 1323550, 1852970, 2594158, 2647100, 3705940, 4632425, 5188316, 6485395, 9264850, 12970790, 18529700, 25941580, 32426975, 64853950, 129707900]

約数ペア:

[(1, 129707900), (2, 64853950), (4, 32426975), (5, 25941580), (7, 18529700), (10, 12970790), (14, 9264850), (20, 6485395), (25, 5188316), (28, 4632425), (35, 3705940), (49, 2647100), (50, 2594158), (70, 1852970), (98, 1323550), (100, 1297079), (103, 1259300), (140, 926485), (175, 741188), (196, 661775), (206, 629650), (245, 529420), (257, 504700), (350, 370594), (412, 314825), (490, 264710), (514, 252350), (515, 251860), (700, 185297), (721, 179900), (980, 132355), (1028, 126175), (1030, 125930), (1225, 105884), (1285, 100940), (1442, 89950), (1799, 72100), (2060, 62965), (2450, 52942), (2570, 50470), (2575, 50372), (2884, 44975), (3598, 36050), (3605, 35980), (4900, 26471), (5047, 25700), (5140, 25235), (5150, 25186), (6425, 20188), (7196, 18025), (7210, 17990), (8995, 14420), (10094, 12850), (10300, 12593)]