290556574

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:374

約数の個数: 72

約数和(自身を含む): 564936120

約数和(自身を除く): 274379546

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 107, 121, 154, 214, 229, 242, 458, 539, 749, 847, 1078, 1177, 1498, 1603, 1694, 2354, 2519, 3206, 5038, 5243, 5929, 8239, 10486, 11221, 11858, 12947, 16478, 17633, 22442, 24503, 25894, 27709, 35266, 49006, 55418, 57673, 90629, 115346, 123431, 171521, 181258, 193963, 246862, 269533, 343042, 387926, 539066, 634403, 1200647, 1268806, 1357741, 1886731, 2401294, 2715482, 2964863, 3773462, 5929726, 13207117, 20754041, 26414234, 41508082, 145278287, 290556574]

約数ペア:

[(1, 290556574), (2, 145278287), (7, 41508082), (11, 26414234), (14, 20754041), (22, 13207117), (49, 5929726), (77, 3773462), (98, 2964863), (107, 2715482), (121, 2401294), (154, 1886731), (214, 1357741), (229, 1268806), (242, 1200647), (458, 634403), (539, 539066), (749, 387926), (847, 343042), (1078, 269533), (1177, 246862), (1498, 193963), (1603, 181258), (1694, 171521), (2354, 123431), (2519, 115346), (3206, 90629), (5038, 57673), (5243, 55418), (5929, 49006), (8239, 35266), (10486, 27709), (11221, 25894), (11858, 24503), (12947, 22442), (16478, 17633)]