80511508

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 180986400

約数和(自身を除く): 100474892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 107, 154, 196, 214, 308, 349, 428, 539, 698, 749, 1078, 1177, 1396, 1498, 2156, 2354, 2443, 2996, 3839, 4708, 4886, 5243, 7678, 8239, 9772, 10486, 15356, 16478, 17101, 20972, 26873, 32956, 34202, 37343, 53746, 57673, 68404, 74686, 107492, 115346, 149372, 188111, 230692, 261401, 376222, 410773, 522802, 752444, 821546, 1045604, 1643092, 1829807, 2875411, 3659614, 5750822, 7319228, 11501644, 20127877, 40255754, 80511508]

約数ペア:

[(1, 80511508), (2, 40255754), (4, 20127877), (7, 11501644), (11, 7319228), (14, 5750822), (22, 3659614), (28, 2875411), (44, 1829807), (49, 1643092), (77, 1045604), (98, 821546), (107, 752444), (154, 522802), (196, 410773), (214, 376222), (308, 261401), (349, 230692), (428, 188111), (539, 149372), (698, 115346), (749, 107492), (1078, 74686), (1177, 68404), (1396, 57673), (1498, 53746), (2156, 37343), (2354, 34202), (2443, 32956), (2996, 26873), (3839, 20972), (4708, 17101), (4886, 16478), (5243, 15356), (7678, 10486), (8239, 9772)]