129373300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 322340480

約数和(自身を除く): 192967180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 421, 439, 700, 842, 878, 1684, 1756, 2105, 2195, 2947, 3073, 4210, 4390, 5894, 6146, 8420, 8780, 10525, 10975, 11788, 12292, 14735, 15365, 21050, 21950, 29470, 30730, 42100, 43900, 58940, 61460, 73675, 76825, 147350, 153650, 184819, 294700, 307300, 369638, 739276, 924095, 1293733, 1848190, 2587466, 3696380, 4620475, 5174932, 6468665, 9240950, 12937330, 18481900, 25874660, 32343325, 64686650, 129373300]

約数ペア:

[(1, 129373300), (2, 64686650), (4, 32343325), (5, 25874660), (7, 18481900), (10, 12937330), (14, 9240950), (20, 6468665), (25, 5174932), (28, 4620475), (35, 3696380), (50, 2587466), (70, 1848190), (100, 1293733), (140, 924095), (175, 739276), (350, 369638), (421, 307300), (439, 294700), (700, 184819), (842, 153650), (878, 147350), (1684, 76825), (1756, 73675), (2105, 61460), (2195, 58940), (2947, 43900), (3073, 42100), (4210, 30730), (4390, 29470), (5894, 21950), (6146, 21050), (8420, 15365), (8780, 14735), (10525, 12292), (10975, 11788)]