68203580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 153171648

約数和(自身を除く): 84968068

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 53, 74, 94, 106, 148, 185, 188, 212, 235, 265, 370, 470, 530, 740, 940, 1060, 1369, 1739, 1961, 2491, 2738, 3478, 3922, 4982, 5476, 6845, 6956, 7844, 8695, 9805, 9964, 12455, 13690, 17390, 19610, 24910, 27380, 34780, 39220, 49820, 64343, 72557, 92167, 128686, 145114, 184334, 257372, 290228, 321715, 362785, 368668, 460835, 643430, 725570, 921670, 1286860, 1451140, 1843340, 3410179, 6820358, 13640716, 17050895, 34101790, 68203580]

約数ペア:

[(1, 68203580), (2, 34101790), (4, 17050895), (5, 13640716), (10, 6820358), (20, 3410179), (37, 1843340), (47, 1451140), (53, 1286860), (74, 921670), (94, 725570), (106, 643430), (148, 460835), (185, 368668), (188, 362785), (212, 321715), (235, 290228), (265, 257372), (370, 184334), (470, 145114), (530, 128686), (740, 92167), (940, 72557), (1060, 64343), (1369, 49820), (1739, 39220), (1961, 34780), (2491, 27380), (2738, 24910), (3478, 19610), (3922, 17390), (4982, 13690), (5476, 12455), (6845, 9964), (6956, 9805), (7844, 8695)]