1669876880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{425989}}^1$

素因数の和:426016

約数の個数: 60

約数和(自身を含む): 4516345980

約数和(自身を除く): 2846469100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 425989, 851978, 1703956, 2129945, 2981923, 3407912, 4259890, 5963846, 6815824, 8519780, 11927692, 14909615, 17039560, 20873461, 23855384, 29819230, 34079120, 41746922, 47710768, 59638460, 83493844, 104367305, 119276920, 166987688, 208734610, 238553840, 333975376, 417469220, 834938440, 1669876880]

約数ペア:

[(1, 1669876880), (2, 834938440), (4, 417469220), (5, 333975376), (7, 238553840), (8, 208734610), (10, 166987688), (14, 119276920), (16, 104367305), (20, 83493844), (28, 59638460), (35, 47710768), (40, 41746922), (49, 34079120), (56, 29819230), (70, 23855384), (80, 20873461), (98, 17039560), (112, 14909615), (140, 11927692), (196, 8519780), (245, 6815824), (280, 5963846), (392, 4259890), (490, 3407912), (560, 2981923), (784, 2129945), (980, 1703956), (1960, 851978), (3920, 425989)]