221122360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2819}}^1$

素因数の和:2920

約数の個数: 64

約数和(自身を含む): 520797600

約数和(自身を除く): 299675240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 424, 530, 740, 1060, 1480, 1961, 2120, 2819, 3922, 5638, 7844, 9805, 11276, 14095, 15688, 19610, 22552, 28190, 39220, 56380, 78440, 104303, 112760, 149407, 208606, 298814, 417212, 521515, 597628, 747035, 834424, 1043030, 1195256, 1494070, 2086060, 2988140, 4172120, 5528059, 5976280, 11056118, 22112236, 27640295, 44224472, 55280590, 110561180, 221122360]

約数ペア:

[(1, 221122360), (2, 110561180), (4, 55280590), (5, 44224472), (8, 27640295), (10, 22112236), (20, 11056118), (37, 5976280), (40, 5528059), (53, 4172120), (74, 2988140), (106, 2086060), (148, 1494070), (185, 1195256), (212, 1043030), (265, 834424), (296, 747035), (370, 597628), (424, 521515), (530, 417212), (740, 298814), (1060, 208606), (1480, 149407), (1961, 112760), (2120, 104303), (2819, 78440), (3922, 56380), (5638, 39220), (7844, 28190), (9805, 22552), (11276, 19610), (14095, 15688)]