319580000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:107

約数の個数: 180

約数和(自身を含む): 857116260

約数和(自身を除く): 537536260

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 38, 40, 50, 58, 76, 80, 95, 100, 116, 125, 145, 152, 160, 190, 200, 232, 250, 290, 304, 380, 400, 464, 475, 500, 551, 580, 608, 625, 725, 760, 800, 841, 928, 950, 1000, 1102, 1160, 1250, 1450, 1520, 1682, 1900, 2000, 2204, 2320, 2375, 2500, 2755, 2900, 3040, 3364, 3625, 3800, 4000, 4205, 4408, 4640, 4750, 5000, 5510, 5800, 6728, 7250, 7600, 8410, 8816, 9500, 10000, 11020, 11600, 11875, 13456, 13775, 14500, 15200, 15979, 16820, 17632, 18125, 19000, 20000, 21025, 22040, 23200, 23750, 26912, 27550, 29000, 31958, 33640, 36250, 38000, 42050, 44080, 47500, 55100, 58000, 63916, 67280, 68875, 72500, 76000, 79895, 84100, 88160, 95000, 105125, 110200, 116000, 127832, 134560, 137750, 145000, 159790, 168200, 190000, 210250, 220400, 255664, 275500, 290000, 319580, 336400, 344375, 380000, 399475, 420500, 440800, 511328, 525625, 551000, 580000, 639160, 672800, 688750, 798950, 841000, 1051250, 1102000, 1278320, 1377500, 1597900, 1682000, 1997375, 2102500, 2204000, 2556640, 2755000, 3195800, 3364000, 3994750, 4205000, 5510000, 6391600, 7989500, 8410000, 9986875, 11020000, 12783200, 15979000, 16820000, 19973750, 31958000, 39947500, 63916000, 79895000, 159790000, 319580000]

約数ペア:

[(1, 319580000), (2, 159790000), (4, 79895000), (5, 63916000), (8, 39947500), (10, 31958000), (16, 19973750), (19, 16820000), (20, 15979000), (25, 12783200), (29, 11020000), (32, 9986875), (38, 8410000), (40, 7989500), (50, 6391600), (58, 5510000), (76, 4205000), (80, 3994750), (95, 3364000), (100, 3195800), (116, 2755000), (125, 2556640), (145, 2204000), (152, 2102500), (160, 1997375), (190, 1682000), (200, 1597900), (232, 1377500), (250, 1278320), (290, 1102000), (304, 1051250), (380, 841000), (400, 798950), (464, 688750), (475, 672800), (500, 639160), (551, 580000), (580, 551000), (608, 525625), (625, 511328), (725, 440800), (760, 420500), (800, 399475), (841, 380000), (928, 344375), (950, 336400), (1000, 319580), (1102, 290000), (1160, 275500), (1250, 255664), (1450, 220400), (1520, 210250), (1682, 190000), (1900, 168200), (2000, 159790), (2204, 145000), (2320, 137750), (2375, 134560), (2500, 127832), (2755, 116000), (2900, 110200), (3040, 105125), (3364, 95000), (3625, 88160), (3800, 84100), (4000, 79895), (4205, 76000), (4408, 72500), (4640, 68875), (4750, 67280), (5000, 63916), (5510, 58000), (5800, 55100), (6728, 47500), (7250, 44080), (7600, 42050), (8410, 38000), (8816, 36250), (9500, 33640), (10000, 31958), (11020, 29000), (11600, 27550), (11875, 26912), (13456, 23750), (13775, 23200), (14500, 22040), (15200, 21025), (15979, 20000), (16820, 19000), (17632, 18125)]