2019550000

素因数分解:

$2^4\times 5^5\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 180

約数和(自身を含む): 5318097120

約数和(自身を除く): 3298547120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 169, 200, 208, 239, 250, 260, 325, 338, 400, 478, 500, 520, 625, 650, 676, 845, 956, 1000, 1040, 1195, 1250, 1300, 1352, 1625, 1690, 1912, 2000, 2390, 2500, 2600, 2704, 3107, 3125, 3250, 3380, 3824, 4225, 4780, 5000, 5200, 5975, 6214, 6250, 6500, 6760, 8125, 8450, 9560, 10000, 11950, 12428, 12500, 13000, 13520, 15535, 16250, 16900, 19120, 21125, 23900, 24856, 25000, 26000, 29875, 31070, 32500, 33800, 40391, 40625, 42250, 47800, 49712, 50000, 59750, 62140, 65000, 67600, 77675, 80782, 81250, 84500, 95600, 105625, 119500, 124280, 130000, 149375, 155350, 161564, 162500, 169000, 201955, 211250, 239000, 248560, 298750, 310700, 323128, 325000, 338000, 388375, 403910, 422500, 478000, 528125, 597500, 621400, 646256, 650000, 746875, 776750, 807820, 845000, 1009775, 1056250, 1195000, 1242800, 1493750, 1553500, 1615640, 1690000, 1941875, 2019550, 2112500, 2390000, 2987500, 3107000, 3231280, 3883750, 4039100, 4225000, 5048875, 5975000, 6214000, 7767500, 8078200, 8450000, 9709375, 10097750, 11950000, 15535000, 16156400, 19418750, 20195500, 25244375, 31070000, 38837500, 40391000, 50488750, 77675000, 80782000, 100977500, 126221875, 155350000, 201955000, 252443750, 403910000, 504887500, 1009775000, 2019550000]

約数ペア:

[(1, 2019550000), (2, 1009775000), (4, 504887500), (5, 403910000), (8, 252443750), (10, 201955000), (13, 155350000), (16, 126221875), (20, 100977500), (25, 80782000), (26, 77675000), (40, 50488750), (50, 40391000), (52, 38837500), (65, 31070000), (80, 25244375), (100, 20195500), (104, 19418750), (125, 16156400), (130, 15535000), (169, 11950000), (200, 10097750), (208, 9709375), (239, 8450000), (250, 8078200), (260, 7767500), (325, 6214000), (338, 5975000), (400, 5048875), (478, 4225000), (500, 4039100), (520, 3883750), (625, 3231280), (650, 3107000), (676, 2987500), (845, 2390000), (956, 2112500), (1000, 2019550), (1040, 1941875), (1195, 1690000), (1250, 1615640), (1300, 1553500), (1352, 1493750), (1625, 1242800), (1690, 1195000), (1912, 1056250), (2000, 1009775), (2390, 845000), (2500, 807820), (2600, 776750), (2704, 746875), (3107, 650000), (3125, 646256), (3250, 621400), (3380, 597500), (3824, 528125), (4225, 478000), (4780, 422500), (5000, 403910), (5200, 388375), (5975, 338000), (6214, 325000), (6250, 323128), (6500, 310700), (6760, 298750), (8125, 248560), (8450, 239000), (9560, 211250), (10000, 201955), (11950, 169000), (12428, 162500), (12500, 161564), (13000, 155350), (13520, 149375), (15535, 130000), (16250, 124280), (16900, 119500), (19120, 105625), (21125, 95600), (23900, 84500), (24856, 81250), (25000, 80782), (26000, 77675), (29875, 67600), (31070, 65000), (32500, 62140), (33800, 59750), (40391, 50000), (40625, 49712), (42250, 47800)]