289486855

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 145969145

約数列:

[1, 5, 7, 23, 35, 41, 49, 115, 161, 179, 205, 245, 287, 343, 805, 895, 943, 1127, 1253, 1435, 1715, 2009, 4117, 4715, 5635, 6265, 6601, 7339, 7889, 8771, 10045, 14063, 20585, 28819, 33005, 36695, 39445, 43855, 46207, 51373, 61397, 70315, 144095, 168797, 201733, 231035, 256865, 306985, 323449, 359611, 843985, 1008665, 1181579, 1412131, 1617245, 1798055, 2517277, 5907895, 7060655, 8271053, 12586385, 41355265, 57897371, 289486855]

約数ペア:

[(1, 289486855), (5, 57897371), (7, 41355265), (23, 12586385), (35, 8271053), (41, 7060655), (49, 5907895), (115, 2517277), (161, 1798055), (179, 1617245), (205, 1412131), (245, 1181579), (287, 1008665), (343, 843985), (805, 359611), (895, 323449), (943, 306985), (1127, 256865), (1253, 231035), (1435, 201733), (1715, 168797), (2009, 144095), (4117, 70315), (4715, 61397), (5635, 51373), (6265, 46207), (6601, 43855), (7339, 39445), (7889, 36695), (8771, 33005), (10045, 28819), (14063, 20585)]