15984700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 37497600

約数和(自身を除く): 21512900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 179, 188, 190, 235, 358, 380, 470, 475, 716, 893, 895, 940, 950, 1175, 1786, 1790, 1900, 2350, 3401, 3572, 3580, 4465, 4475, 4700, 6802, 8413, 8930, 8950, 13604, 16826, 17005, 17860, 17900, 22325, 33652, 34010, 42065, 44650, 68020, 84130, 85025, 89300, 159847, 168260, 170050, 210325, 319694, 340100, 420650, 639388, 799235, 841300, 1598470, 3196940, 3996175, 7992350, 15984700]

約数ペア:

[(1, 15984700), (2, 7992350), (4, 3996175), (5, 3196940), (10, 1598470), (19, 841300), (20, 799235), (25, 639388), (38, 420650), (47, 340100), (50, 319694), (76, 210325), (94, 170050), (95, 168260), (100, 159847), (179, 89300), (188, 85025), (190, 84130), (235, 68020), (358, 44650), (380, 42065), (470, 34010), (475, 33652), (716, 22325), (893, 17900), (895, 17860), (940, 17005), (950, 16826), (1175, 13604), (1786, 8950), (1790, 8930), (1900, 8413), (2350, 6802), (3401, 4700), (3572, 4475), (3580, 4465)]