260235700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 588406784

約数和(自身を除く): 328171084

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 127, 155, 254, 310, 508, 620, 635, 661, 775, 1270, 1322, 1550, 2540, 2644, 3100, 3175, 3305, 3937, 6350, 6610, 7874, 12700, 13220, 15748, 16525, 19685, 20491, 33050, 39370, 40982, 66100, 78740, 81964, 83947, 98425, 102455, 167894, 196850, 204910, 335788, 393700, 409820, 419735, 512275, 839470, 1024550, 1678940, 2049100, 2098675, 2602357, 4197350, 5204714, 8394700, 10409428, 13011785, 26023570, 52047140, 65058925, 130117850, 260235700]

約数ペア:

[(1, 260235700), (2, 130117850), (4, 65058925), (5, 52047140), (10, 26023570), (20, 13011785), (25, 10409428), (31, 8394700), (50, 5204714), (62, 4197350), (100, 2602357), (124, 2098675), (127, 2049100), (155, 1678940), (254, 1024550), (310, 839470), (508, 512275), (620, 419735), (635, 409820), (661, 393700), (775, 335788), (1270, 204910), (1322, 196850), (1550, 167894), (2540, 102455), (2644, 98425), (3100, 83947), (3175, 81964), (3305, 78740), (3937, 66100), (6350, 40982), (6610, 39370), (7874, 33050), (12700, 20491), (13220, 19685), (15748, 16525)]