76691860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 189030240

約数和(自身を除く): 112338380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 563, 695, 973, 980, 1126, 1390, 1946, 2252, 2780, 2815, 3892, 3941, 4865, 5630, 6811, 7882, 9730, 11260, 13622, 15764, 19460, 19705, 27244, 27587, 34055, 39410, 55174, 68110, 78257, 78820, 110348, 136220, 137935, 156514, 275870, 313028, 391285, 547799, 551740, 782570, 1095598, 1565140, 2191196, 2738995, 3834593, 5477990, 7669186, 10955980, 15338372, 19172965, 38345930, 76691860]

約数ペア:

[(1, 76691860), (2, 38345930), (4, 19172965), (5, 15338372), (7, 10955980), (10, 7669186), (14, 5477990), (20, 3834593), (28, 2738995), (35, 2191196), (49, 1565140), (70, 1095598), (98, 782570), (139, 551740), (140, 547799), (196, 391285), (245, 313028), (278, 275870), (490, 156514), (556, 137935), (563, 136220), (695, 110348), (973, 78820), (980, 78257), (1126, 68110), (1390, 55174), (1946, 39410), (2252, 34055), (2780, 27587), (2815, 27244), (3892, 19705), (3941, 19460), (4865, 15764), (5630, 13622), (6811, 11260), (7882, 9730)]