880448980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{2411}}^1$

素因数の和:2501

約数の個数: 72

約数和(自身を含む): 2011897440

約数和(自身を除く): 1131448460

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 961, 1178, 1922, 2356, 2411, 2945, 3844, 4805, 4822, 5890, 9610, 9644, 11780, 12055, 18259, 19220, 24110, 36518, 45809, 48220, 73036, 74741, 91295, 91618, 149482, 182590, 183236, 229045, 298964, 365180, 373705, 458090, 747410, 916180, 1420079, 1494820, 2316971, 2840158, 4633942, 5680316, 7100395, 9267884, 11584855, 14200790, 23169710, 28401580, 44022449, 46339420, 88044898, 176089796, 220112245, 440224490, 880448980]

約数ペア:

[(1, 880448980), (2, 440224490), (4, 220112245), (5, 176089796), (10, 88044898), (19, 46339420), (20, 44022449), (31, 28401580), (38, 23169710), (62, 14200790), (76, 11584855), (95, 9267884), (124, 7100395), (155, 5680316), (190, 4633942), (310, 2840158), (380, 2316971), (589, 1494820), (620, 1420079), (961, 916180), (1178, 747410), (1922, 458090), (2356, 373705), (2411, 365180), (2945, 298964), (3844, 229045), (4805, 183236), (4822, 182590), (5890, 149482), (9610, 91618), (9644, 91295), (11780, 74741), (12055, 73036), (18259, 48220), (19220, 45809), (24110, 36518)]