166996900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 108

約数和(自身を含む): 426136788

約数和(自身を除く): 259139888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 173, 175, 196, 197, 245, 346, 350, 394, 490, 692, 700, 788, 865, 980, 985, 1211, 1225, 1379, 1730, 1970, 2422, 2450, 2758, 3460, 3940, 4325, 4844, 4900, 4925, 5516, 6055, 6895, 8477, 8650, 9653, 9850, 12110, 13790, 16954, 17300, 19306, 19700, 24220, 27580, 30275, 33908, 34081, 34475, 38612, 42385, 48265, 60550, 68162, 68950, 84770, 96530, 121100, 136324, 137900, 169540, 170405, 193060, 211925, 238567, 241325, 340810, 423850, 477134, 482650, 681620, 847700, 852025, 954268, 965300, 1192835, 1669969, 1704050, 2385670, 3339938, 3408100, 4771340, 5964175, 6679876, 8349845, 11928350, 16699690, 23856700, 33399380, 41749225, 83498450, 166996900]

約数ペア:

[(1, 166996900), (2, 83498450), (4, 41749225), (5, 33399380), (7, 23856700), (10, 16699690), (14, 11928350), (20, 8349845), (25, 6679876), (28, 5964175), (35, 4771340), (49, 3408100), (50, 3339938), (70, 2385670), (98, 1704050), (100, 1669969), (140, 1192835), (173, 965300), (175, 954268), (196, 852025), (197, 847700), (245, 681620), (346, 482650), (350, 477134), (394, 423850), (490, 340810), (692, 241325), (700, 238567), (788, 211925), (865, 193060), (980, 170405), (985, 169540), (1211, 137900), (1225, 136324), (1379, 121100), (1730, 96530), (1970, 84770), (2422, 68950), (2450, 68162), (2758, 60550), (3460, 48265), (3940, 42385), (4325, 38612), (4844, 34475), (4900, 34081), (4925, 33908), (5516, 30275), (6055, 27580), (6895, 24220), (8477, 19700), (8650, 19306), (9653, 17300), (9850, 16954), (12110, 13790)]