279897850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 542878200

約数和(自身を除く): 262980350

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 137, 145, 274, 290, 685, 725, 1370, 1409, 1450, 2818, 3425, 3973, 6850, 7045, 7946, 14090, 19865, 35225, 39730, 40861, 70450, 81722, 99325, 193033, 198650, 204305, 386066, 408610, 965165, 1021525, 1930330, 2043050, 4825825, 5597957, 9651650, 11195914, 27989785, 55979570, 139948925, 279897850]

約数ペア:

[(1, 279897850), (2, 139948925), (5, 55979570), (10, 27989785), (25, 11195914), (29, 9651650), (50, 5597957), (58, 4825825), (137, 2043050), (145, 1930330), (274, 1021525), (290, 965165), (685, 408610), (725, 386066), (1370, 204305), (1409, 198650), (1450, 193033), (2818, 99325), (3425, 81722), (3973, 70450), (6850, 40861), (7045, 39730), (7946, 35225), (14090, 19865)]