215209540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118247}}^1$

素因数の和:118276

約数の個数: 48

約数和(自身を含む): 556238592

約数和(自身を除く): 341029052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 118247, 236494, 472988, 591235, 827729, 1182470, 1537211, 1655458, 2364940, 3074422, 3310916, 4138645, 6148844, 7686055, 8277290, 10760477, 15372110, 16554580, 21520954, 30744220, 43041908, 53802385, 107604770, 215209540]

約数ペア:

[(1, 215209540), (2, 107604770), (4, 53802385), (5, 43041908), (7, 30744220), (10, 21520954), (13, 16554580), (14, 15372110), (20, 10760477), (26, 8277290), (28, 7686055), (35, 6148844), (52, 4138645), (65, 3310916), (70, 3074422), (91, 2364940), (130, 1655458), (140, 1537211), (182, 1182470), (260, 827729), (364, 591235), (455, 472988), (910, 236494), (1820, 118247)]