102072440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 235560960

約数和(自身を除く): 133488520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 283, 284, 355, 508, 566, 568, 635, 710, 1016, 1132, 1270, 1415, 1420, 2264, 2540, 2830, 2840, 5080, 5660, 9017, 11320, 18034, 20093, 35941, 36068, 40186, 45085, 71882, 72136, 80372, 90170, 100465, 143764, 160744, 179705, 180340, 200930, 287528, 359410, 360680, 401860, 718820, 803720, 1437640, 2551811, 5103622, 10207244, 12759055, 20414488, 25518110, 51036220, 102072440]

約数ペア:

[(1, 102072440), (2, 51036220), (4, 25518110), (5, 20414488), (8, 12759055), (10, 10207244), (20, 5103622), (40, 2551811), (71, 1437640), (127, 803720), (142, 718820), (254, 401860), (283, 360680), (284, 359410), (355, 287528), (508, 200930), (566, 180340), (568, 179705), (635, 160744), (710, 143764), (1016, 100465), (1132, 90170), (1270, 80372), (1415, 72136), (1420, 71882), (2264, 45085), (2540, 40186), (2830, 36068), (2840, 35941), (5080, 20093), (5660, 18034), (9017, 11320)]