157429600

素因数分解:

$2^5\times 5^2\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:968

約数の個数: 72

約数和(自身を含む): 386178408

約数和(自身を除く): 228748808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 307, 400, 614, 641, 800, 1228, 1282, 1535, 2456, 2564, 3070, 3205, 4912, 5128, 6140, 6410, 7675, 9824, 10256, 12280, 12820, 15350, 16025, 20512, 24560, 25640, 30700, 32050, 49120, 51280, 61400, 64100, 102560, 122800, 128200, 196787, 245600, 256400, 393574, 512800, 787148, 983935, 1574296, 1967870, 3148592, 3935740, 4919675, 6297184, 7871480, 9839350, 15742960, 19678700, 31485920, 39357400, 78714800, 157429600]

約数ペア:

[(1, 157429600), (2, 78714800), (4, 39357400), (5, 31485920), (8, 19678700), (10, 15742960), (16, 9839350), (20, 7871480), (25, 6297184), (32, 4919675), (40, 3935740), (50, 3148592), (80, 1967870), (100, 1574296), (160, 983935), (200, 787148), (307, 512800), (400, 393574), (614, 256400), (641, 245600), (800, 196787), (1228, 128200), (1282, 122800), (1535, 102560), (2456, 64100), (2564, 61400), (3070, 51280), (3205, 49120), (4912, 32050), (5128, 30700), (6140, 25640), (6410, 24560), (7675, 20512), (9824, 16025), (10256, 15350), (12280, 12820)]