71723575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 122135040

約数和(自身を除く): 50411465

約数列:

[1, 5, 7, 11, 19, 25, 35, 37, 53, 55, 77, 95, 133, 175, 185, 209, 259, 265, 275, 371, 385, 407, 475, 583, 665, 703, 925, 1007, 1045, 1295, 1325, 1463, 1855, 1925, 1961, 2035, 2849, 2915, 3325, 3515, 4081, 4921, 5035, 5225, 6475, 7049, 7315, 7733, 9275, 9805, 10175, 11077, 13727, 14245, 14575, 17575, 20405, 21571, 24605, 25175, 35245, 36575, 37259, 38665, 49025, 54131, 55385, 68635, 71225, 77539, 102025, 107855, 123025, 150997, 176225, 186295, 193325, 260813, 270655, 276925, 343175, 387695, 409849, 539275, 754985, 931475, 1304065, 1353275, 1938475, 2049245, 2868943, 3774925, 6520325, 10246225, 14344715, 71723575]

約数ペア:

[(1, 71723575), (5, 14344715), (7, 10246225), (11, 6520325), (19, 3774925), (25, 2868943), (35, 2049245), (37, 1938475), (53, 1353275), (55, 1304065), (77, 931475), (95, 754985), (133, 539275), (175, 409849), (185, 387695), (209, 343175), (259, 276925), (265, 270655), (275, 260813), (371, 193325), (385, 186295), (407, 176225), (475, 150997), (583, 123025), (665, 107855), (703, 102025), (925, 77539), (1007, 71225), (1045, 68635), (1295, 55385), (1325, 54131), (1463, 49025), (1855, 38665), (1925, 37259), (1961, 36575), (2035, 35245), (2849, 25175), (2915, 24605), (3325, 21571), (3515, 20405), (4081, 17575), (4921, 14575), (5035, 14245), (5225, 13727), (6475, 11077), (7049, 10175), (7315, 9805), (7733, 9275)]