205942400

素因数分解:

$2^7\times 5^2\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 513508800

約数和(自身を除く): 307566400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 139, 160, 200, 278, 320, 400, 463, 556, 640, 695, 800, 926, 1112, 1390, 1600, 1852, 2224, 2315, 2780, 3200, 3475, 3704, 4448, 4630, 5560, 6950, 7408, 8896, 9260, 11120, 11575, 13900, 14816, 17792, 18520, 22240, 23150, 27800, 29632, 37040, 44480, 46300, 55600, 59264, 64357, 74080, 88960, 92600, 111200, 128714, 148160, 185200, 222400, 257428, 296320, 321785, 370400, 444800, 514856, 643570, 740800, 1029712, 1287140, 1481600, 1608925, 2059424, 2574280, 3217850, 4118848, 5148560, 6435700, 8237696, 10297120, 12871400, 20594240, 25742800, 41188480, 51485600, 102971200, 205942400]

約数ペア:

[(1, 205942400), (2, 102971200), (4, 51485600), (5, 41188480), (8, 25742800), (10, 20594240), (16, 12871400), (20, 10297120), (25, 8237696), (32, 6435700), (40, 5148560), (50, 4118848), (64, 3217850), (80, 2574280), (100, 2059424), (128, 1608925), (139, 1481600), (160, 1287140), (200, 1029712), (278, 740800), (320, 643570), (400, 514856), (463, 444800), (556, 370400), (640, 321785), (695, 296320), (800, 257428), (926, 222400), (1112, 185200), (1390, 148160), (1600, 128714), (1852, 111200), (2224, 92600), (2315, 88960), (2780, 74080), (3200, 64357), (3475, 59264), (3704, 55600), (4448, 46300), (4630, 44480), (5560, 37040), (6950, 29632), (7408, 27800), (8896, 23150), (9260, 22240), (11120, 18520), (11575, 17792), (13900, 14816)]