133759420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{487}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 291207168

約数和(自身を除く): 157447748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 443, 487, 620, 886, 974, 1772, 1948, 2215, 2435, 4430, 4870, 8860, 9740, 13733, 15097, 27466, 30194, 54932, 60388, 68665, 75485, 137330, 150970, 215741, 274660, 301940, 431482, 862964, 1078705, 2157410, 4314820, 6687971, 13375942, 26751884, 33439855, 66879710, 133759420]

約数ペア:

[(1, 133759420), (2, 66879710), (4, 33439855), (5, 26751884), (10, 13375942), (20, 6687971), (31, 4314820), (62, 2157410), (124, 1078705), (155, 862964), (310, 431482), (443, 301940), (487, 274660), (620, 215741), (886, 150970), (974, 137330), (1772, 75485), (1948, 68665), (2215, 60388), (2435, 54932), (4430, 30194), (4870, 27466), (8860, 15097), (9740, 13733)]