31117180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1619}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 67563720

約数和(自身を除く): 36446540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1619, 1922, 3238, 3844, 4805, 6476, 8095, 9610, 16190, 19220, 32380, 50189, 100378, 200756, 250945, 501890, 1003780, 1555859, 3111718, 6223436, 7779295, 15558590, 31117180]

約数ペア:

[(1, 31117180), (2, 15558590), (4, 7779295), (5, 6223436), (10, 3111718), (20, 1555859), (31, 1003780), (62, 501890), (124, 250945), (155, 200756), (310, 100378), (620, 50189), (961, 32380), (1619, 19220), (1922, 16190), (3238, 9610), (3844, 8095), (4805, 6476)]