65207380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1999}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 157248000

約数和(自身を除く): 92040620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 1999, 2330, 3262, 3998, 4660, 6524, 7996, 8155, 9995, 13993, 16310, 19990, 27986, 32620, 39980, 55972, 69965, 139930, 279860, 465767, 931534, 1863068, 2328835, 3260369, 4657670, 6520738, 9315340, 13041476, 16301845, 32603690, 65207380]

約数ペア:

[(1, 65207380), (2, 32603690), (4, 16301845), (5, 13041476), (7, 9315340), (10, 6520738), (14, 4657670), (20, 3260369), (28, 2328835), (35, 1863068), (70, 931534), (140, 465767), (233, 279860), (466, 139930), (932, 69965), (1165, 55972), (1631, 39980), (1999, 32620), (2330, 27986), (3262, 19990), (3998, 16310), (4660, 13993), (6524, 9995), (7996, 8155)]