1948791040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{217499}}^1$

素因数の和:217527

約数の個数: 72

約数和(自身を含む): 5334840000

約数和(自身を除く): 3386048960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 217499, 434998, 869996, 1087495, 1522493, 1739992, 2174990, 3044986, 3479984, 4349980, 6089972, 6959968, 7612465, 8699960, 12179944, 13919936, 15224930, 17399920, 24359888, 27839872, 30449860, 34799840, 48719776, 55679744, 60899720, 69599680, 97439552, 121799440, 139199360, 194879104, 243598880, 278398720, 389758208, 487197760, 974395520, 1948791040]

約数ペア:

[(1, 1948791040), (2, 974395520), (4, 487197760), (5, 389758208), (7, 278398720), (8, 243598880), (10, 194879104), (14, 139199360), (16, 121799440), (20, 97439552), (28, 69599680), (32, 60899720), (35, 55679744), (40, 48719776), (56, 34799840), (64, 30449860), (70, 27839872), (80, 24359888), (112, 17399920), (128, 15224930), (140, 13919936), (160, 12179944), (224, 8699960), (256, 7612465), (280, 6959968), (320, 6089972), (448, 4349980), (560, 3479984), (640, 3044986), (896, 2174990), (1120, 1739992), (1280, 1522493), (1792, 1087495), (2240, 869996), (4480, 434998), (8960, 217499)]