201760000

素因数分解:

$2^8\times 5^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 180

約数和(自身を含む): 547552852

約数和(自身を除く): 345792852

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 97, 100, 104, 125, 128, 130, 160, 194, 200, 208, 250, 256, 260, 320, 325, 388, 400, 416, 485, 500, 520, 625, 640, 650, 776, 800, 832, 970, 1000, 1040, 1250, 1261, 1280, 1300, 1552, 1600, 1625, 1664, 1940, 2000, 2080, 2425, 2500, 2522, 2600, 3104, 3200, 3250, 3328, 3880, 4000, 4160, 4850, 5000, 5044, 5200, 6208, 6305, 6400, 6500, 7760, 8000, 8125, 8320, 9700, 10000, 10088, 10400, 12125, 12416, 12610, 13000, 15520, 16000, 16250, 16640, 19400, 20000, 20176, 20800, 24250, 24832, 25220, 26000, 31040, 31525, 32000, 32500, 38800, 40000, 40352, 41600, 48500, 50440, 52000, 60625, 62080, 63050, 65000, 77600, 80000, 80704, 83200, 97000, 100880, 104000, 121250, 124160, 126100, 130000, 155200, 157625, 160000, 161408, 194000, 201760, 208000, 242500, 252200, 260000, 310400, 315250, 322816, 388000, 403520, 416000, 485000, 504400, 520000, 620800, 630500, 776000, 788125, 807040, 970000, 1008800, 1040000, 1261000, 1552000, 1576250, 1614080, 1940000, 2017600, 2080000, 2522000, 3104000, 3152500, 3880000, 4035200, 5044000, 6305000, 7760000, 8070400, 10088000, 12610000, 15520000, 20176000, 25220000, 40352000, 50440000, 100880000, 201760000]

約数ペア:

[(1, 201760000), (2, 100880000), (4, 50440000), (5, 40352000), (8, 25220000), (10, 20176000), (13, 15520000), (16, 12610000), (20, 10088000), (25, 8070400), (26, 7760000), (32, 6305000), (40, 5044000), (50, 4035200), (52, 3880000), (64, 3152500), (65, 3104000), (80, 2522000), (97, 2080000), (100, 2017600), (104, 1940000), (125, 1614080), (128, 1576250), (130, 1552000), (160, 1261000), (194, 1040000), (200, 1008800), (208, 970000), (250, 807040), (256, 788125), (260, 776000), (320, 630500), (325, 620800), (388, 520000), (400, 504400), (416, 485000), (485, 416000), (500, 403520), (520, 388000), (625, 322816), (640, 315250), (650, 310400), (776, 260000), (800, 252200), (832, 242500), (970, 208000), (1000, 201760), (1040, 194000), (1250, 161408), (1261, 160000), (1280, 157625), (1300, 155200), (1552, 130000), (1600, 126100), (1625, 124160), (1664, 121250), (1940, 104000), (2000, 100880), (2080, 97000), (2425, 83200), (2500, 80704), (2522, 80000), (2600, 77600), (3104, 65000), (3200, 63050), (3250, 62080), (3328, 60625), (3880, 52000), (4000, 50440), (4160, 48500), (4850, 41600), (5000, 40352), (5044, 40000), (5200, 38800), (6208, 32500), (6305, 32000), (6400, 31525), (6500, 31040), (7760, 26000), (8000, 25220), (8125, 24832), (8320, 24250), (9700, 20800), (10000, 20176), (10088, 20000), (10400, 19400), (12125, 16640), (12416, 16250), (12610, 16000), (13000, 15520)]