313182380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{4483}}^1$

素因数の和:4998

約数の個数: 48

約数和(自身を含む): 753312000

約数和(自身を除く): 440129620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1996, 2495, 3493, 4483, 4990, 6986, 8966, 9980, 13972, 17465, 17932, 22415, 31381, 34930, 44830, 62762, 69860, 89660, 125524, 156905, 313810, 627620, 2237017, 4474034, 8948068, 11185085, 15659119, 22370170, 31318238, 44740340, 62636476, 78295595, 156591190, 313182380]

約数ペア:

[(1, 313182380), (2, 156591190), (4, 78295595), (5, 62636476), (7, 44740340), (10, 31318238), (14, 22370170), (20, 15659119), (28, 11185085), (35, 8948068), (70, 4474034), (140, 2237017), (499, 627620), (998, 313810), (1996, 156905), (2495, 125524), (3493, 89660), (4483, 69860), (4990, 62762), (6986, 44830), (8966, 34930), (9980, 31381), (13972, 22415), (17465, 17932)]