77739700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 175301280

約数和(自身を除く): 97561580

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 101, 172, 179, 202, 215, 358, 404, 430, 505, 716, 860, 895, 1010, 1075, 1790, 2020, 2150, 2525, 3580, 4300, 4343, 4475, 5050, 7697, 8686, 8950, 10100, 15394, 17372, 17900, 18079, 21715, 30788, 36158, 38485, 43430, 72316, 76970, 86860, 90395, 108575, 153940, 180790, 192425, 217150, 361580, 384850, 434300, 451975, 769700, 777397, 903950, 1554794, 1807900, 3109588, 3886985, 7773970, 15547940, 19434925, 38869850, 77739700]

約数ペア:

[(1, 77739700), (2, 38869850), (4, 19434925), (5, 15547940), (10, 7773970), (20, 3886985), (25, 3109588), (43, 1807900), (50, 1554794), (86, 903950), (100, 777397), (101, 769700), (172, 451975), (179, 434300), (202, 384850), (215, 361580), (358, 217150), (404, 192425), (430, 180790), (505, 153940), (716, 108575), (860, 90395), (895, 86860), (1010, 76970), (1075, 72316), (1790, 43430), (2020, 38485), (2150, 36158), (2525, 30788), (3580, 21715), (4300, 18079), (4343, 17900), (4475, 17372), (5050, 15394), (7697, 10100), (8686, 8950)]