257524905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 490291200

約数和(自身を除く): 232766295

約数列:

[1, 3, 5, 11, 15, 23, 31, 33, 55, 69, 93, 115, 121, 155, 165, 199, 253, 341, 345, 363, 465, 597, 605, 713, 759, 995, 1023, 1265, 1705, 1815, 2139, 2189, 2783, 2985, 3565, 3751, 3795, 4577, 5115, 6169, 6567, 7843, 8349, 10695, 10945, 11253, 13731, 13915, 18507, 18755, 22885, 23529, 24079, 30845, 32835, 39215, 41745, 50347, 56265, 67859, 68655, 72237, 86273, 92535, 117645, 120395, 141887, 151041, 203577, 251735, 258819, 339295, 361185, 425661, 431365, 553817, 709435, 746449, 755205, 1017885, 1294095, 1560757, 1661451, 2128305, 2239347, 2769085, 3732245, 4682271, 7803785, 8307255, 11196735, 17168327, 23411355, 51504981, 85841635, 257524905]

約数ペア:

[(1, 257524905), (3, 85841635), (5, 51504981), (11, 23411355), (15, 17168327), (23, 11196735), (31, 8307255), (33, 7803785), (55, 4682271), (69, 3732245), (93, 2769085), (115, 2239347), (121, 2128305), (155, 1661451), (165, 1560757), (199, 1294095), (253, 1017885), (341, 755205), (345, 746449), (363, 709435), (465, 553817), (597, 431365), (605, 425661), (713, 361185), (759, 339295), (995, 258819), (1023, 251735), (1265, 203577), (1705, 151041), (1815, 141887), (2139, 120395), (2189, 117645), (2783, 92535), (2985, 86273), (3565, 72237), (3751, 68655), (3795, 67859), (4577, 56265), (5115, 50347), (6169, 41745), (6567, 39215), (7843, 32835), (8349, 30845), (10695, 24079), (10945, 23529), (11253, 22885), (13731, 18755), (13915, 18507)]