71438620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1877}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 164693088

約数和(自身を除く): 93254468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1877, 1903, 3460, 3754, 3806, 7508, 7612, 9385, 9515, 18770, 19030, 20647, 37540, 38060, 41294, 82588, 103235, 206470, 324721, 412940, 649442, 1298884, 1623605, 3247210, 3571931, 6494420, 7143862, 14287724, 17859655, 35719310, 71438620]

約数ペア:

[(1, 71438620), (2, 35719310), (4, 17859655), (5, 14287724), (10, 7143862), (11, 6494420), (20, 3571931), (22, 3247210), (44, 1623605), (55, 1298884), (110, 649442), (173, 412940), (220, 324721), (346, 206470), (692, 103235), (865, 82588), (1730, 41294), (1877, 38060), (1903, 37540), (3460, 20647), (3754, 19030), (3806, 18770), (7508, 9515), (7612, 9385)]