171871420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2219

約数の個数: 72

約数和(自身を含む): 425116944

約数和(自身を除く): 253245524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2113, 2324, 2905, 4067, 4226, 5810, 8134, 8452, 10565, 11620, 14791, 16268, 20335, 21130, 29582, 40670, 42260, 59164, 73955, 81340, 103537, 147910, 175379, 207074, 295820, 350758, 414148, 517685, 701516, 876895, 1035370, 1227653, 1753790, 2070740, 2455306, 3507580, 4910612, 6138265, 8593571, 12276530, 17187142, 24553060, 34374284, 42967855, 85935710, 171871420]

約数ペア:

[(1, 171871420), (2, 85935710), (4, 42967855), (5, 34374284), (7, 24553060), (10, 17187142), (14, 12276530), (20, 8593571), (28, 6138265), (35, 4910612), (49, 3507580), (70, 2455306), (83, 2070740), (98, 1753790), (140, 1227653), (166, 1035370), (196, 876895), (245, 701516), (332, 517685), (415, 414148), (490, 350758), (581, 295820), (830, 207074), (980, 175379), (1162, 147910), (1660, 103537), (2113, 81340), (2324, 73955), (2905, 59164), (4067, 42260), (4226, 40670), (5810, 29582), (8134, 21130), (8452, 20335), (10565, 16268), (11620, 14791)]