1200212120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{31223}}^1$

素因数の和:31296

約数の個数: 48

約数和(自身を含む): 2790488880

約数和(自身を除く): 1590276760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 19220, 31223, 38440, 62446, 124892, 156115, 249784, 312230, 624460, 967913, 1248920, 1935826, 3871652, 4839565, 7743304, 9679130, 19358260, 30005303, 38716520, 60010606, 120021212, 150026515, 240042424, 300053030, 600106060, 1200212120]

約数ペア:

[(1, 1200212120), (2, 600106060), (4, 300053030), (5, 240042424), (8, 150026515), (10, 120021212), (20, 60010606), (31, 38716520), (40, 30005303), (62, 19358260), (124, 9679130), (155, 7743304), (248, 4839565), (310, 3871652), (620, 1935826), (961, 1248920), (1240, 967913), (1922, 624460), (3844, 312230), (4805, 249784), (7688, 156115), (9610, 124892), (19220, 62446), (31223, 38440)]