204499295

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 337964400

約数和(自身を除く): 133465105

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 169, 245, 385, 449, 455, 539, 637, 715, 845, 1001, 1183, 1859, 2245, 2695, 3143, 3185, 4939, 5005, 5837, 5915, 7007, 8281, 9295, 13013, 15715, 22001, 24695, 29185, 34573, 35035, 40859, 41405, 64207, 65065, 75881, 91091, 110005, 172865, 204295, 242011, 286013, 321035, 379405, 449449, 455455, 531167, 834691, 1210055, 1430065, 2247245, 2655835, 3146143, 3718169, 4173455, 5842837, 15730715, 18590845, 29214185, 40899859, 204499295]

約数ペア:

[(1, 204499295), (5, 40899859), (7, 29214185), (11, 18590845), (13, 15730715), (35, 5842837), (49, 4173455), (55, 3718169), (65, 3146143), (77, 2655835), (91, 2247245), (143, 1430065), (169, 1210055), (245, 834691), (385, 531167), (449, 455455), (455, 449449), (539, 379405), (637, 321035), (715, 286013), (845, 242011), (1001, 204295), (1183, 172865), (1859, 110005), (2245, 91091), (2695, 75881), (3143, 65065), (3185, 64207), (4939, 41405), (5005, 40859), (5837, 35035), (5915, 34573), (7007, 29185), (8281, 24695), (9295, 22001), (13013, 15715)]