261769690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 582430464

約数和(自身を除く): 320660774

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 307, 455, 614, 910, 937, 1535, 1874, 2149, 3070, 3991, 4298, 4685, 6559, 7982, 9370, 10745, 12181, 13118, 19955, 21490, 24362, 27937, 32795, 39910, 55874, 60905, 65590, 85267, 121810, 139685, 170534, 279370, 287659, 426335, 575318, 852670, 1438295, 2013613, 2876590, 3739567, 4027226, 7479134, 10068065, 18697835, 20136130, 26176969, 37395670, 52353938, 130884845, 261769690]

約数ペア:

[(1, 261769690), (2, 130884845), (5, 52353938), (7, 37395670), (10, 26176969), (13, 20136130), (14, 18697835), (26, 10068065), (35, 7479134), (65, 4027226), (70, 3739567), (91, 2876590), (130, 2013613), (182, 1438295), (307, 852670), (455, 575318), (614, 426335), (910, 287659), (937, 279370), (1535, 170534), (1874, 139685), (2149, 121810), (3070, 85267), (3991, 65590), (4298, 60905), (4685, 55874), (6559, 39910), (7982, 32795), (9370, 27937), (10745, 24362), (12181, 21490), (13118, 19955)]