251510970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 618192000

約数和(自身を除く): 366681030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 317, 318, 499, 530, 634, 795, 951, 998, 1497, 1585, 1590, 1902, 2495, 2994, 3170, 4755, 4990, 7485, 9510, 14970, 16801, 26447, 33602, 50403, 52894, 79341, 84005, 100806, 132235, 158183, 158682, 168010, 252015, 264470, 316366, 396705, 474549, 504030, 790915, 793410, 949098, 1581830, 2372745, 4745490, 8383699, 16767398, 25151097, 41918495, 50302194, 83836990, 125755485, 251510970]

約数ペア:

[(1, 251510970), (2, 125755485), (3, 83836990), (5, 50302194), (6, 41918495), (10, 25151097), (15, 16767398), (30, 8383699), (53, 4745490), (106, 2372745), (159, 1581830), (265, 949098), (317, 793410), (318, 790915), (499, 504030), (530, 474549), (634, 396705), (795, 316366), (951, 264470), (998, 252015), (1497, 168010), (1585, 158682), (1590, 158183), (1902, 132235), (2495, 100806), (2994, 84005), (3170, 79341), (4755, 52894), (4990, 50403), (7485, 33602), (9510, 26447), (14970, 16801)]