2064844225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 2886946920

約数和(自身を除く): 822102695

約数列:

[1, 5, 17, 25, 29, 53, 85, 109, 145, 265, 425, 493, 545, 725, 841, 901, 1325, 1537, 1853, 2465, 2725, 3161, 4205, 4505, 5777, 7685, 9265, 12325, 14297, 15805, 21025, 22525, 26129, 28885, 38425, 44573, 46325, 53737, 71485, 79025, 91669, 98209, 130645, 144425, 167533, 222865, 268685, 357425, 458345, 491045, 653225, 757741, 837665, 1114325, 1343425, 1558373, 2291725, 2455225, 2848061, 3788705, 4188325, 4858457, 7791865, 14240305, 18943525, 24292285, 38959325, 71201525, 82593769, 121461425, 412968845, 2064844225]

約数ペア:

[(1, 2064844225), (5, 412968845), (17, 121461425), (25, 82593769), (29, 71201525), (53, 38959325), (85, 24292285), (109, 18943525), (145, 14240305), (265, 7791865), (425, 4858457), (493, 4188325), (545, 3788705), (725, 2848061), (841, 2455225), (901, 2291725), (1325, 1558373), (1537, 1343425), (1853, 1114325), (2465, 837665), (2725, 757741), (3161, 653225), (4205, 491045), (4505, 458345), (5777, 357425), (7685, 268685), (9265, 222865), (12325, 167533), (14297, 144425), (15805, 130645), (21025, 98209), (22525, 91669), (26129, 79025), (28885, 71485), (38425, 53737), (44573, 46325)]