172375390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{3313}}^1$

素因数の和:3385

約数の個数: 48

約数和(自身を含む): 349083504

約数和(自身を除く): 176708114

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 946, 1210, 2365, 3313, 4730, 5203, 6626, 10406, 16565, 26015, 33130, 36443, 52030, 72886, 142459, 182215, 284918, 364430, 400873, 712295, 801746, 1424590, 1567049, 2004365, 3134098, 4008730, 7835245, 15670490, 17237539, 34475078, 86187695, 172375390]

約数ペア:

[(1, 172375390), (2, 86187695), (5, 34475078), (10, 17237539), (11, 15670490), (22, 7835245), (43, 4008730), (55, 3134098), (86, 2004365), (110, 1567049), (121, 1424590), (215, 801746), (242, 712295), (430, 400873), (473, 364430), (605, 284918), (946, 182215), (1210, 142459), (2365, 72886), (3313, 52030), (4730, 36443), (5203, 33130), (6626, 26015), (10406, 16565)]