12681200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{647}}^1$

素因数の和:679

約数の個数: 90

約数和(自身を含む): 35495496

約数和(自身を除く): 22814296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 647, 700, 784, 980, 1225, 1294, 1400, 1960, 2450, 2588, 2800, 3235, 3920, 4529, 4900, 5176, 6470, 9058, 9800, 10352, 12940, 16175, 18116, 19600, 22645, 25880, 31703, 32350, 36232, 45290, 51760, 63406, 64700, 72464, 90580, 113225, 126812, 129400, 158515, 181160, 226450, 253624, 258800, 317030, 362320, 452900, 507248, 634060, 792575, 905800, 1268120, 1585150, 1811600, 2536240, 3170300, 6340600, 12681200]

約数ペア:

[(1, 12681200), (2, 6340600), (4, 3170300), (5, 2536240), (7, 1811600), (8, 1585150), (10, 1268120), (14, 905800), (16, 792575), (20, 634060), (25, 507248), (28, 452900), (35, 362320), (40, 317030), (49, 258800), (50, 253624), (56, 226450), (70, 181160), (80, 158515), (98, 129400), (100, 126812), (112, 113225), (140, 90580), (175, 72464), (196, 64700), (200, 63406), (245, 51760), (280, 45290), (350, 36232), (392, 32350), (400, 31703), (490, 25880), (560, 22645), (647, 19600), (700, 18116), (784, 16175), (980, 12940), (1225, 10352), (1294, 9800), (1400, 9058), (1960, 6470), (2450, 5176), (2588, 4900), (2800, 4529), (3235, 3920)]