30168908

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 48

約数和(自身を含む): 67200000

約数和(自身を除く): 37031092

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 1999, 2156, 3773, 3998, 7546, 7996, 13993, 15092, 21989, 27986, 43978, 55972, 87956, 97951, 153923, 195902, 307846, 391804, 615692, 685657, 1077461, 1371314, 2154922, 2742628, 4309844, 7542227, 15084454, 30168908]

約数ペア:

[(1, 30168908), (2, 15084454), (4, 7542227), (7, 4309844), (11, 2742628), (14, 2154922), (22, 1371314), (28, 1077461), (44, 685657), (49, 615692), (77, 391804), (98, 307846), (154, 195902), (196, 153923), (308, 97951), (343, 87956), (539, 55972), (686, 43978), (1078, 27986), (1372, 21989), (1999, 15092), (2156, 13993), (3773, 7996), (3998, 7546)]