12564700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 30466800

約数和(自身を除く): 17902100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 389, 425, 475, 646, 778, 850, 950, 1292, 1556, 1615, 1700, 1900, 1945, 3230, 3890, 6460, 6613, 7391, 7780, 8075, 9725, 13226, 14782, 16150, 19450, 26452, 29564, 32300, 33065, 36955, 38900, 66130, 73910, 125647, 132260, 147820, 165325, 184775, 251294, 330650, 369550, 502588, 628235, 661300, 739100, 1256470, 2512940, 3141175, 6282350, 12564700]

約数ペア:

[(1, 12564700), (2, 6282350), (4, 3141175), (5, 2512940), (10, 1256470), (17, 739100), (19, 661300), (20, 628235), (25, 502588), (34, 369550), (38, 330650), (50, 251294), (68, 184775), (76, 165325), (85, 147820), (95, 132260), (100, 125647), (170, 73910), (190, 66130), (323, 38900), (340, 36955), (380, 33065), (389, 32300), (425, 29564), (475, 26452), (646, 19450), (778, 16150), (850, 14782), (950, 13226), (1292, 9725), (1556, 8075), (1615, 7780), (1700, 7391), (1900, 6613), (1945, 6460), (3230, 3890)]