201697925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 310313472

約数和(自身を除く): 108615547

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 121, 143, 223, 253, 275, 299, 325, 575, 605, 715, 1115, 1265, 1495, 1573, 2453, 2783, 2899, 3025, 3289, 3575, 5129, 5575, 6325, 7475, 7865, 12265, 13915, 14495, 16445, 25645, 26983, 31889, 36179, 39325, 56419, 61325, 66677, 69575, 72475, 82225, 128225, 134915, 159445, 180895, 282095, 333385, 350779, 620609, 674575, 733447, 797225, 904475, 1410475, 1666925, 1753895, 3103045, 3667235, 8067917, 8769475, 15515225, 18336175, 40339585, 201697925]

約数ペア:

[(1, 201697925), (5, 40339585), (11, 18336175), (13, 15515225), (23, 8769475), (25, 8067917), (55, 3667235), (65, 3103045), (115, 1753895), (121, 1666925), (143, 1410475), (223, 904475), (253, 797225), (275, 733447), (299, 674575), (325, 620609), (575, 350779), (605, 333385), (715, 282095), (1115, 180895), (1265, 159445), (1495, 134915), (1573, 128225), (2453, 82225), (2783, 72475), (2899, 69575), (3025, 66677), (3289, 61325), (3575, 56419), (5129, 39325), (5575, 36179), (6325, 31889), (7475, 26983), (7865, 25645), (12265, 16445), (13915, 14495)]