208058655

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 399310560

約数和(自身を除く): 191251905

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 109, 147, 159, 245, 265, 327, 343, 371, 545, 735, 763, 795, 1029, 1113, 1635, 1715, 1855, 2289, 2401, 2597, 3815, 5145, 5341, 5565, 5777, 7203, 7791, 11445, 12005, 12985, 16023, 17331, 18179, 26705, 28885, 36015, 37387, 38955, 40439, 54537, 80115, 86655, 90895, 112161, 121317, 127253, 186935, 202195, 261709, 272685, 283073, 381759, 560805, 606585, 636265, 785127, 849219, 1308545, 1415365, 1908795, 1981511, 3925635, 4246095, 5944533, 9907555, 13870577, 29722665, 41611731, 69352885, 208058655]

約数ペア:

[(1, 208058655), (3, 69352885), (5, 41611731), (7, 29722665), (15, 13870577), (21, 9907555), (35, 5944533), (49, 4246095), (53, 3925635), (105, 1981511), (109, 1908795), (147, 1415365), (159, 1308545), (245, 849219), (265, 785127), (327, 636265), (343, 606585), (371, 560805), (545, 381759), (735, 283073), (763, 272685), (795, 261709), (1029, 202195), (1113, 186935), (1635, 127253), (1715, 121317), (1855, 112161), (2289, 90895), (2401, 86655), (2597, 80115), (3815, 54537), (5145, 40439), (5341, 38955), (5565, 37387), (5777, 36015), (7203, 28885), (7791, 26705), (11445, 18179), (12005, 17331), (12985, 16023)]