12772900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 32247936

約数和(自身を除く): 19475036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 257, 284, 350, 355, 497, 514, 700, 710, 994, 1028, 1285, 1420, 1775, 1799, 1988, 2485, 2570, 3550, 3598, 4970, 5140, 6425, 7100, 7196, 8995, 9940, 12425, 12850, 17990, 18247, 24850, 25700, 35980, 36494, 44975, 49700, 72988, 89950, 91235, 127729, 179900, 182470, 255458, 364940, 456175, 510916, 638645, 912350, 1277290, 1824700, 2554580, 3193225, 6386450, 12772900]

約数ペア:

[(1, 12772900), (2, 6386450), (4, 3193225), (5, 2554580), (7, 1824700), (10, 1277290), (14, 912350), (20, 638645), (25, 510916), (28, 456175), (35, 364940), (50, 255458), (70, 182470), (71, 179900), (100, 127729), (140, 91235), (142, 89950), (175, 72988), (257, 49700), (284, 44975), (350, 36494), (355, 35980), (497, 25700), (514, 24850), (700, 18247), (710, 17990), (994, 12850), (1028, 12425), (1285, 9940), (1420, 8995), (1775, 7196), (1799, 7100), (1988, 6425), (2485, 5140), (2570, 4970), (3550, 3598)]