161878250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 329041440

約数和(自身を除く): 167163190

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 125, 170, 205, 250, 410, 425, 697, 850, 929, 1025, 1394, 1858, 2050, 2125, 3485, 4250, 4645, 5125, 6970, 9290, 10250, 15793, 17425, 23225, 31586, 34850, 38089, 46450, 76178, 78965, 87125, 116125, 157930, 174250, 190445, 232250, 380890, 394825, 647513, 789650, 952225, 1295026, 1904450, 1974125, 3237565, 3948250, 4761125, 6475130, 9522250, 16187825, 32375650, 80939125, 161878250]

約数ペア:

[(1, 161878250), (2, 80939125), (5, 32375650), (10, 16187825), (17, 9522250), (25, 6475130), (34, 4761125), (41, 3948250), (50, 3237565), (82, 1974125), (85, 1904450), (125, 1295026), (170, 952225), (205, 789650), (250, 647513), (410, 394825), (425, 380890), (697, 232250), (850, 190445), (929, 174250), (1025, 157930), (1394, 116125), (1858, 87125), (2050, 78965), (2125, 76178), (3485, 46450), (4250, 38089), (4645, 34850), (5125, 31586), (6970, 23225), (9290, 17425), (10250, 15793)]