72860725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 115171200

約数和(自身を除く): 42310475

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 323, 425, 475, 595, 665, 1289, 1615, 2261, 2975, 3325, 6445, 8075, 9023, 11305, 21913, 24491, 32225, 45115, 56525, 109565, 122455, 153391, 171437, 225575, 416347, 547825, 612275, 766955, 857185, 2081735, 2914429, 3834775, 4285925, 10408675, 14572145, 72860725]

約数ペア:

[(1, 72860725), (5, 14572145), (7, 10408675), (17, 4285925), (19, 3834775), (25, 2914429), (35, 2081735), (85, 857185), (95, 766955), (119, 612275), (133, 547825), (175, 416347), (323, 225575), (425, 171437), (475, 153391), (595, 122455), (665, 109565), (1289, 56525), (1615, 45115), (2261, 32225), (2975, 24491), (3325, 21913), (6445, 11305), (8075, 9023)]