278314025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 391903488

約数和(自身を除く): 113589463

約数列:

[1, 5, 11, 25, 47, 55, 61, 235, 275, 305, 353, 517, 671, 1175, 1525, 1765, 2585, 2867, 3355, 3883, 8825, 12925, 14335, 16591, 16775, 19415, 21533, 31537, 71675, 82955, 97075, 107665, 157685, 182501, 236863, 414775, 538325, 788425, 912505, 1012051, 1184315, 4562525, 5060255, 5921575, 11132561, 25301275, 55662805, 278314025]

約数ペア:

[(1, 278314025), (5, 55662805), (11, 25301275), (25, 11132561), (47, 5921575), (55, 5060255), (61, 4562525), (235, 1184315), (275, 1012051), (305, 912505), (353, 788425), (517, 538325), (671, 414775), (1175, 236863), (1525, 182501), (1765, 157685), (2585, 107665), (2867, 97075), (3355, 82955), (3883, 71675), (8825, 31537), (12925, 21533), (14335, 19415), (16591, 16775)]