84845140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 184955904

約数和(自身を除く): 100110764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 281, 310, 487, 562, 620, 974, 1124, 1405, 1948, 2435, 2810, 4870, 5620, 8711, 9740, 15097, 17422, 30194, 34844, 43555, 60388, 75485, 87110, 136847, 150970, 174220, 273694, 301940, 547388, 684235, 1368470, 2736940, 4242257, 8484514, 16969028, 21211285, 42422570, 84845140]

約数ペア:

[(1, 84845140), (2, 42422570), (4, 21211285), (5, 16969028), (10, 8484514), (20, 4242257), (31, 2736940), (62, 1368470), (124, 684235), (155, 547388), (281, 301940), (310, 273694), (487, 174220), (562, 150970), (620, 136847), (974, 87110), (1124, 75485), (1405, 60388), (1948, 43555), (2435, 34844), (2810, 30194), (4870, 17422), (5620, 15097), (8711, 9740)]