1900642280

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{189307}}^1$

素因数の和:189569

約数の個数: 32

約数和(自身を含む): 4293505440

約数和(自身を除く): 2392863160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 189307, 378614, 757228, 946535, 1514456, 1893070, 3786140, 7572280, 47516057, 95032114, 190064228, 237580285, 380128456, 475160570, 950321140, 1900642280]

約数ペア:

[(1, 1900642280), (2, 950321140), (4, 475160570), (5, 380128456), (8, 237580285), (10, 190064228), (20, 95032114), (40, 47516057), (251, 7572280), (502, 3786140), (1004, 1893070), (1255, 1514456), (2008, 946535), (2510, 757228), (5020, 378614), (10040, 189307)]