492749720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1493}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 1144523520

約数和(自身を除く): 651773800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 223, 296, 370, 446, 740, 892, 1115, 1480, 1493, 1784, 2230, 2986, 4460, 5972, 7465, 8251, 8920, 11944, 14930, 16502, 29860, 33004, 41255, 55241, 59720, 66008, 82510, 110482, 165020, 220964, 276205, 330040, 332939, 441928, 552410, 665878, 1104820, 1331756, 1664695, 2209640, 2663512, 3329390, 6658780, 12318743, 13317560, 24637486, 49274972, 61593715, 98549944, 123187430, 246374860, 492749720]

約数ペア:

[(1, 492749720), (2, 246374860), (4, 123187430), (5, 98549944), (8, 61593715), (10, 49274972), (20, 24637486), (37, 13317560), (40, 12318743), (74, 6658780), (148, 3329390), (185, 2663512), (223, 2209640), (296, 1664695), (370, 1331756), (446, 1104820), (740, 665878), (892, 552410), (1115, 441928), (1480, 332939), (1493, 330040), (1784, 276205), (2230, 220964), (2986, 165020), (4460, 110482), (5972, 82510), (7465, 66008), (8251, 59720), (8920, 55241), (11944, 41255), (14930, 33004), (16502, 29860)]