254528000

素因数分解:

$2^9\times 5^3\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 656864208

約数和(自身を除く): 402336208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 97, 100, 125, 128, 160, 164, 194, 200, 205, 250, 256, 320, 328, 388, 400, 410, 485, 500, 512, 640, 656, 776, 800, 820, 970, 1000, 1025, 1280, 1312, 1552, 1600, 1640, 1940, 2000, 2050, 2425, 2560, 2624, 3104, 3200, 3280, 3880, 3977, 4000, 4100, 4850, 5125, 5248, 6208, 6400, 6560, 7760, 7954, 8000, 8200, 9700, 10250, 10496, 12125, 12416, 12800, 13120, 15520, 15908, 16000, 16400, 19400, 19885, 20500, 20992, 24250, 24832, 26240, 31040, 31816, 32000, 32800, 38800, 39770, 41000, 48500, 49664, 52480, 62080, 63632, 64000, 65600, 77600, 79540, 82000, 97000, 99425, 104960, 124160, 127264, 131200, 155200, 159080, 164000, 194000, 198850, 248320, 254528, 262400, 310400, 318160, 328000, 388000, 397700, 497125, 509056, 524800, 620800, 636320, 656000, 776000, 795400, 994250, 1018112, 1241600, 1272640, 1312000, 1552000, 1590800, 1988500, 2036224, 2545280, 2624000, 3104000, 3181600, 3977000, 5090560, 6208000, 6363200, 7954000, 10181120, 12726400, 15908000, 25452800, 31816000, 50905600, 63632000, 127264000, 254528000]

約数ペア:

[(1, 254528000), (2, 127264000), (4, 63632000), (5, 50905600), (8, 31816000), (10, 25452800), (16, 15908000), (20, 12726400), (25, 10181120), (32, 7954000), (40, 6363200), (41, 6208000), (50, 5090560), (64, 3977000), (80, 3181600), (82, 3104000), (97, 2624000), (100, 2545280), (125, 2036224), (128, 1988500), (160, 1590800), (164, 1552000), (194, 1312000), (200, 1272640), (205, 1241600), (250, 1018112), (256, 994250), (320, 795400), (328, 776000), (388, 656000), (400, 636320), (410, 620800), (485, 524800), (500, 509056), (512, 497125), (640, 397700), (656, 388000), (776, 328000), (800, 318160), (820, 310400), (970, 262400), (1000, 254528), (1025, 248320), (1280, 198850), (1312, 194000), (1552, 164000), (1600, 159080), (1640, 155200), (1940, 131200), (2000, 127264), (2050, 124160), (2425, 104960), (2560, 99425), (2624, 97000), (3104, 82000), (3200, 79540), (3280, 77600), (3880, 65600), (3977, 64000), (4000, 63632), (4100, 62080), (4850, 52480), (5125, 49664), (5248, 48500), (6208, 41000), (6400, 39770), (6560, 38800), (7760, 32800), (7954, 32000), (8000, 31816), (8200, 31040), (9700, 26240), (10250, 24832), (10496, 24250), (12125, 20992), (12416, 20500), (12800, 19885), (13120, 19400), (15520, 16400), (15908, 16000)]