289204025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 411753408

約数和(自身を除く): 122549383

約数列:

[1, 5, 11, 25, 37, 43, 55, 185, 215, 275, 407, 473, 661, 925, 1075, 1591, 2035, 2365, 3305, 7271, 7955, 10175, 11825, 16525, 17501, 24457, 28423, 36355, 39775, 87505, 122285, 142115, 181775, 269027, 312653, 437525, 611425, 710575, 1051651, 1345135, 1563265, 5258255, 6725675, 7816325, 11568161, 26291275, 57840805, 289204025]

約数ペア:

[(1, 289204025), (5, 57840805), (11, 26291275), (25, 11568161), (37, 7816325), (43, 6725675), (55, 5258255), (185, 1563265), (215, 1345135), (275, 1051651), (407, 710575), (473, 611425), (661, 437525), (925, 312653), (1075, 269027), (1591, 181775), (2035, 142115), (2365, 122285), (3305, 87505), (7271, 39775), (7955, 36355), (10175, 28423), (11825, 24457), (16525, 17501)]