388614920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{337}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 887777280

約数和(自身を除く): 499162360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 227, 254, 337, 454, 508, 635, 674, 908, 1016, 1135, 1270, 1348, 1685, 1816, 2270, 2540, 2696, 3370, 4540, 5080, 6740, 9080, 13480, 28829, 42799, 57658, 76499, 85598, 115316, 144145, 152998, 171196, 213995, 230632, 288290, 305996, 342392, 382495, 427990, 576580, 611992, 764990, 855980, 1153160, 1529980, 1711960, 3059960, 9715373, 19430746, 38861492, 48576865, 77722984, 97153730, 194307460, 388614920]

約数ペア:

[(1, 388614920), (2, 194307460), (4, 97153730), (5, 77722984), (8, 48576865), (10, 38861492), (20, 19430746), (40, 9715373), (127, 3059960), (227, 1711960), (254, 1529980), (337, 1153160), (454, 855980), (508, 764990), (635, 611992), (674, 576580), (908, 427990), (1016, 382495), (1135, 342392), (1270, 305996), (1348, 288290), (1685, 230632), (1816, 213995), (2270, 171196), (2540, 152998), (2696, 144145), (3370, 115316), (4540, 85598), (5080, 76499), (6740, 57658), (9080, 42799), (13480, 28829)]