1215898225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2099}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 1687392000

約数和(自身を除く): 471493775

約数列:

[1, 5, 17, 25, 29, 47, 85, 145, 235, 425, 493, 725, 799, 1175, 1363, 2099, 2465, 3995, 6815, 10495, 12325, 19975, 23171, 34075, 35683, 52475, 60871, 98653, 115855, 178415, 304355, 493265, 579275, 892075, 1034807, 1521775, 1677101, 2466325, 2860937, 5174035, 8385505, 14304685, 25870175, 41927525, 48635929, 71523425, 243179645, 1215898225]

約数ペア:

[(1, 1215898225), (5, 243179645), (17, 71523425), (25, 48635929), (29, 41927525), (47, 25870175), (85, 14304685), (145, 8385505), (235, 5174035), (425, 2860937), (493, 2466325), (725, 1677101), (799, 1521775), (1175, 1034807), (1363, 892075), (2099, 579275), (2465, 493265), (3995, 304355), (6815, 178415), (10495, 115855), (12325, 98653), (19975, 60871), (23171, 52475), (34075, 35683)]