2663990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 5771520

約数和(自身を除く): 3107530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 2003, 4006, 10015, 14021, 20030, 28042, 38057, 70105, 76114, 140210, 190285, 266399, 380570, 532798, 1331995, 2663990]

約数ペア:

[(1, 2663990), (2, 1331995), (5, 532798), (7, 380570), (10, 266399), (14, 190285), (19, 140210), (35, 76114), (38, 70105), (70, 38057), (95, 28042), (133, 20030), (190, 14021), (266, 10015), (665, 4006), (1330, 2003)]