34720420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 86184000

約数和(自身を除く): 51463580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 499, 710, 980, 994, 998, 1420, 1988, 1996, 2485, 2495, 3479, 3493, 4970, 4990, 6958, 6986, 9940, 9980, 13916, 13972, 17395, 17465, 24451, 34790, 34930, 35429, 48902, 69580, 69860, 70858, 97804, 122255, 141716, 177145, 244510, 248003, 354290, 489020, 496006, 708580, 992012, 1240015, 1736021, 2480030, 3472042, 4960060, 6944084, 8680105, 17360210, 34720420]

約数ペア:

[(1, 34720420), (2, 17360210), (4, 8680105), (5, 6944084), (7, 4960060), (10, 3472042), (14, 2480030), (20, 1736021), (28, 1240015), (35, 992012), (49, 708580), (70, 496006), (71, 489020), (98, 354290), (140, 248003), (142, 244510), (196, 177145), (245, 141716), (284, 122255), (355, 97804), (490, 70858), (497, 69860), (499, 69580), (710, 48902), (980, 35429), (994, 34930), (998, 34790), (1420, 24451), (1988, 17465), (1996, 17395), (2485, 13972), (2495, 13916), (3479, 9980), (3493, 9940), (4970, 6986), (4990, 6958)]