11131820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 28019376

約数和(自身を除く): 16887556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 307, 370, 490, 518, 614, 740, 980, 1036, 1228, 1295, 1535, 1813, 2149, 2590, 3070, 3626, 4298, 5180, 6140, 7252, 8596, 9065, 10745, 11359, 15043, 18130, 21490, 22718, 30086, 36260, 42980, 45436, 56795, 60172, 75215, 79513, 113590, 150430, 159026, 227180, 300860, 318052, 397565, 556591, 795130, 1113182, 1590260, 2226364, 2782955, 5565910, 11131820]

約数ペア:

[(1, 11131820), (2, 5565910), (4, 2782955), (5, 2226364), (7, 1590260), (10, 1113182), (14, 795130), (20, 556591), (28, 397565), (35, 318052), (37, 300860), (49, 227180), (70, 159026), (74, 150430), (98, 113590), (140, 79513), (148, 75215), (185, 60172), (196, 56795), (245, 45436), (259, 42980), (307, 36260), (370, 30086), (490, 22718), (518, 21490), (614, 18130), (740, 15043), (980, 11359), (1036, 10745), (1228, 9065), (1295, 8596), (1535, 7252), (1813, 6140), (2149, 5180), (2590, 4298), (3070, 3626)]